20804828100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{25867}}^1$

素因数の和:26274

約数の個数: 144

約数和(自身を含む): 68976918528

約数和(自身を除く): 48172090428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 383, 420, 525, 700, 766, 1050, 1149, 1532, 1915, 2100, 2298, 2681, 3830, 4596, 5362, 5745, 7660, 8043, 9575, 10724, 11490, 13405, 16086, 19150, 22980, 25867, 26810, 28725, 32172, 38300, 40215, 51734, 53620, 57450, 67025, 77601, 80430, 103468, 114900, 129335, 134050, 155202, 160860, 181069, 201075, 258670, 268100, 310404, 362138, 388005, 402150, 517340, 543207, 646675, 724276, 776010, 804300, 905345, 1086414, 1293350, 1552020, 1810690, 1940025, 2172828, 2586700, 2716035, 3621380, 3880050, 4526725, 5432070, 7760100, 9053450, 9907061, 10864140, 13580175, 18106900, 19814122, 27160350, 29721183, 39628244, 49535305, 54320700, 59442366, 69349427, 99070610, 118884732, 138698854, 148605915, 198141220, 208048281, 247676525, 277397708, 297211830, 346747135, 416096562, 495353050, 594423660, 693494270, 743029575, 832193124, 990706100, 1040241405, 1386988540, 1486059150, 1733735675, 2080482810, 2972118300, 3467471350, 4160965620, 5201207025, 6934942700, 10402414050, 20804828100]

約数ペア:

[(1, 20804828100), (2, 10402414050), (3, 6934942700), (4, 5201207025), (5, 4160965620), (6, 3467471350), (7, 2972118300), (10, 2080482810), (12, 1733735675), (14, 1486059150), (15, 1386988540), (20, 1040241405), (21, 990706100), (25, 832193124), (28, 743029575), (30, 693494270), (35, 594423660), (42, 495353050), (50, 416096562), (60, 346747135), (70, 297211830), (75, 277397708), (84, 247676525), (100, 208048281), (105, 198141220), (140, 148605915), (150, 138698854), (175, 118884732), (210, 99070610), (300, 69349427), (350, 59442366), (383, 54320700), (420, 49535305), (525, 39628244), (700, 29721183), (766, 27160350), (1050, 19814122), (1149, 18106900), (1532, 13580175), (1915, 10864140), (2100, 9907061), (2298, 9053450), (2681, 7760100), (3830, 5432070), (4596, 4526725), (5362, 3880050), (5745, 3621380), (7660, 2716035), (8043, 2586700), (9575, 2172828), (10724, 1940025), (11490, 1810690), (13405, 1552020), (16086, 1293350), (19150, 1086414), (22980, 905345), (25867, 804300), (26810, 776010), (28725, 724276), (32172, 646675), (38300, 543207), (40215, 517340), (51734, 402150), (53620, 388005), (57450, 362138), (67025, 310404), (77601, 268100), (80430, 258670), (103468, 201075), (114900, 181069), (129335, 160860), (134050, 155202)]