20165409440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1471}}^1\times {\mathrm{7789}}^1$

素因数の和:9286

約数の個数: 96

約数和(自身を含む): 52013767680

約数和(自身を除く): 31848358240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1471, 1760, 2942, 5884, 7355, 7789, 11768, 14710, 15578, 16181, 23536, 29420, 31156, 32362, 38945, 47072, 58840, 62312, 64724, 77890, 80905, 85679, 117680, 124624, 129448, 155780, 161810, 171358, 235360, 249248, 258896, 311560, 323620, 342716, 428395, 517792, 623120, 647240, 685432, 856790, 1246240, 1294480, 1370864, 1713580, 2588960, 2741728, 3427160, 6854320, 11457619, 13708640, 22915238, 45830476, 57288095, 91660952, 114576190, 126033809, 183321904, 229152380, 252067618, 366643808, 458304760, 504135236, 630169045, 916609520, 1008270472, 1260338090, 1833219040, 2016540944, 2520676180, 4033081888, 5041352360, 10082704720, 20165409440]

約数ペア:

[(1, 20165409440), (2, 10082704720), (4, 5041352360), (5, 4033081888), (8, 2520676180), (10, 2016540944), (11, 1833219040), (16, 1260338090), (20, 1008270472), (22, 916609520), (32, 630169045), (40, 504135236), (44, 458304760), (55, 366643808), (80, 252067618), (88, 229152380), (110, 183321904), (160, 126033809), (176, 114576190), (220, 91660952), (352, 57288095), (440, 45830476), (880, 22915238), (1471, 13708640), (1760, 11457619), (2942, 6854320), (5884, 3427160), (7355, 2741728), (7789, 2588960), (11768, 1713580), (14710, 1370864), (15578, 1294480), (16181, 1246240), (23536, 856790), (29420, 685432), (31156, 647240), (32362, 623120), (38945, 517792), (47072, 428395), (58840, 342716), (62312, 323620), (64724, 311560), (77890, 258896), (80905, 249248), (85679, 235360), (117680, 171358), (124624, 161810), (129448, 155780)]