20647510140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{8389}}^1$

素因数の和:8564

約数の個数: 192

約数和(自身を含む): 64950681600

約数和(自身を除く): 44303171460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 127, 170, 190, 204, 228, 254, 255, 285, 323, 340, 380, 381, 508, 510, 570, 635, 646, 762, 969, 1020, 1140, 1270, 1292, 1524, 1615, 1905, 1938, 2159, 2413, 2540, 3230, 3810, 3876, 4318, 4826, 4845, 6460, 6477, 7239, 7620, 8389, 8636, 9652, 9690, 10795, 12065, 12954, 14478, 16778, 19380, 21590, 24130, 25167, 25908, 28956, 32385, 33556, 36195, 41021, 41945, 43180, 48260, 50334, 64770, 72390, 82042, 83890, 100668, 123063, 125835, 129540, 142613, 144780, 159391, 164084, 167780, 205105, 246126, 251670, 285226, 318782, 410210, 427839, 478173, 492252, 503340, 570452, 615315, 637564, 713065, 796955, 820420, 855678, 956346, 1065403, 1230630, 1426130, 1593910, 1711356, 1912692, 2130806, 2139195, 2390865, 2461260, 2709647, 2852260, 3187820, 3196209, 4261612, 4278390, 4781730, 5327015, 5419294, 6392418, 8128941, 8556780, 9563460, 10654030, 10838588, 12784836, 13548235, 15981045, 16257882, 18111851, 20242657, 21308060, 27096470, 31962090, 32515764, 36223702, 40485314, 40644705, 54192940, 54335553, 60727971, 63924180, 72447404, 80970628, 81289410, 90559255, 101213285, 108671106, 121455942, 162578820, 181118510, 202426570, 217342212, 242911884, 271677765, 303639855, 344125169, 362237020, 404853140, 543355530, 607279710, 688250338, 1032375507, 1086711060, 1214559420, 1376500676, 1720625845, 2064751014, 3441251690, 4129502028, 5161877535, 6882503380, 10323755070, 20647510140]

約数ペア:

[(1, 20647510140), (2, 10323755070), (3, 6882503380), (4, 5161877535), (5, 4129502028), (6, 3441251690), (10, 2064751014), (12, 1720625845), (15, 1376500676), (17, 1214559420), (19, 1086711060), (20, 1032375507), (30, 688250338), (34, 607279710), (38, 543355530), (51, 404853140), (57, 362237020), (60, 344125169), (68, 303639855), (76, 271677765), (85, 242911884), (95, 217342212), (102, 202426570), (114, 181118510), (127, 162578820), (170, 121455942), (190, 108671106), (204, 101213285), (228, 90559255), (254, 81289410), (255, 80970628), (285, 72447404), (323, 63924180), (340, 60727971), (380, 54335553), (381, 54192940), (508, 40644705), (510, 40485314), (570, 36223702), (635, 32515764), (646, 31962090), (762, 27096470), (969, 21308060), (1020, 20242657), (1140, 18111851), (1270, 16257882), (1292, 15981045), (1524, 13548235), (1615, 12784836), (1905, 10838588), (1938, 10654030), (2159, 9563460), (2413, 8556780), (2540, 8128941), (3230, 6392418), (3810, 5419294), (3876, 5327015), (4318, 4781730), (4826, 4278390), (4845, 4261612), (6460, 3196209), (6477, 3187820), (7239, 2852260), (7620, 2709647), (8389, 2461260), (8636, 2390865), (9652, 2139195), (9690, 2130806), (10795, 1912692), (12065, 1711356), (12954, 1593910), (14478, 1426130), (16778, 1230630), (19380, 1065403), (21590, 956346), (24130, 855678), (25167, 820420), (25908, 796955), (28956, 713065), (32385, 637564), (33556, 615315), (36195, 570452), (41021, 503340), (41945, 492252), (43180, 478173), (48260, 427839), (50334, 410210), (64770, 318782), (72390, 285226), (82042, 251670), (83890, 246126), (100668, 205105), (123063, 167780), (125835, 164084), (129540, 159391), (142613, 144780)]