20101126

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 33580800

約数和(自身を除く): 13479674

約数列:

[1, 2, 19, 23, 38, 46, 109, 211, 218, 422, 437, 874, 2071, 2507, 4009, 4142, 4853, 5014, 8018, 9706, 22999, 45998, 47633, 92207, 95266, 184414, 436981, 528977, 873962, 1057954, 10050563, 20101126]

約数ペア:

[(1, 20101126), (2, 10050563), (19, 1057954), (23, 873962), (38, 528977), (46, 436981), (109, 184414), (211, 95266), (218, 92207), (422, 47633), (437, 45998), (874, 22999), (2071, 9706), (2507, 8018), (4009, 5014), (4142, 4853)]