20266541616

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1\times {\mathrm{5743}}^1$

素因数の和:7778

約数の個数: 80

約数和(自身を含む): 53806667264

約数和(自身を除く): 33540125648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 1987, 3974, 5743, 5961, 7948, 11486, 11922, 15896, 17229, 22972, 23844, 31792, 34458, 45944, 47688, 68916, 73519, 91888, 95376, 137832, 147038, 212491, 220557, 275664, 294076, 424982, 441114, 588152, 637473, 849964, 882228, 1176304, 1274946, 1699928, 1764456, 2549892, 3399856, 3528912, 5099784, 10199568, 11411341, 22822682, 34234023, 45645364, 68468046, 91290728, 136936092, 182581456, 273872184, 422219617, 547744368, 844439234, 1266658851, 1688878468, 2533317702, 3377756936, 5066635404, 6755513872, 10133270808, 20266541616]

約数ペア:

[(1, 20266541616), (2, 10133270808), (3, 6755513872), (4, 5066635404), (6, 3377756936), (8, 2533317702), (12, 1688878468), (16, 1266658851), (24, 844439234), (37, 547744368), (48, 422219617), (74, 273872184), (111, 182581456), (148, 136936092), (222, 91290728), (296, 68468046), (444, 45645364), (592, 34234023), (888, 22822682), (1776, 11411341), (1987, 10199568), (3974, 5099784), (5743, 3528912), (5961, 3399856), (7948, 2549892), (11486, 1764456), (11922, 1699928), (15896, 1274946), (17229, 1176304), (22972, 882228), (23844, 849964), (31792, 637473), (34458, 588152), (45944, 441114), (47688, 424982), (68916, 294076), (73519, 275664), (91888, 220557), (95376, 212491), (137832, 147038)]