20611368

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2579}}^1$

素因数の和:2631

約数の個数: 64

約数和(自身を含む): 58824000

約数和(自身を除く): 38212632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2579, 2664, 3996, 5158, 7737, 7992, 10316, 15474, 20632, 23211, 30948, 46422, 61896, 69633, 92844, 95423, 139266, 185688, 190846, 278532, 286269, 381692, 557064, 572538, 763384, 858807, 1145076, 1717614, 2290152, 2576421, 3435228, 5152842, 6870456, 10305684, 20611368]

約数ペア:

[(1, 20611368), (2, 10305684), (3, 6870456), (4, 5152842), (6, 3435228), (8, 2576421), (9, 2290152), (12, 1717614), (18, 1145076), (24, 858807), (27, 763384), (36, 572538), (37, 557064), (54, 381692), (72, 286269), (74, 278532), (108, 190846), (111, 185688), (148, 139266), (216, 95423), (222, 92844), (296, 69633), (333, 61896), (444, 46422), (666, 30948), (888, 23211), (999, 20632), (1332, 15474), (1998, 10316), (2579, 7992), (2664, 7737), (3996, 5158)]