22151920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5651}}^1$

素因数の和:5678

約数の個数: 60

約数和(自身を含む): 59922504

約数和(自身を除く): 37770584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5651, 11302, 22604, 28255, 39557, 45208, 56510, 79114, 90416, 113020, 158228, 197785, 226040, 276899, 316456, 395570, 452080, 553798, 632912, 791140, 1107596, 1384495, 1582280, 2215192, 2768990, 3164560, 4430384, 5537980, 11075960, 22151920]

約数ペア:

[(1, 22151920), (2, 11075960), (4, 5537980), (5, 4430384), (7, 3164560), (8, 2768990), (10, 2215192), (14, 1582280), (16, 1384495), (20, 1107596), (28, 791140), (35, 632912), (40, 553798), (49, 452080), (56, 395570), (70, 316456), (80, 276899), (98, 226040), (112, 197785), (140, 158228), (196, 113020), (245, 90416), (280, 79114), (392, 56510), (490, 45208), (560, 39557), (784, 28255), (980, 22604), (1960, 11302), (3920, 5651)]