20151472

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1957

約数の個数: 40

約数和(自身を含む): 43314192

約数和(自身を除く): 23162720

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 1877, 2684, 3754, 5368, 7508, 10736, 15016, 20647, 30032, 41294, 82588, 114497, 165176, 228994, 330352, 457988, 915976, 1259467, 1831952, 2518934, 5037868, 10075736, 20151472]

約数ペア:

[(1, 20151472), (2, 10075736), (4, 5037868), (8, 2518934), (11, 1831952), (16, 1259467), (22, 915976), (44, 457988), (61, 330352), (88, 228994), (122, 165176), (176, 114497), (244, 82588), (488, 41294), (671, 30032), (976, 20647), (1342, 15016), (1877, 10736), (2684, 7508), (3754, 5368)]