20056575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 43425792

約数和(自身を除く): 23369217

約数列:

[1, 3, 5, 7, 11, 15, 21, 23, 25, 33, 35, 55, 69, 75, 77, 105, 115, 151, 161, 165, 175, 231, 253, 275, 345, 385, 453, 483, 525, 575, 755, 759, 805, 825, 1057, 1155, 1265, 1661, 1725, 1771, 1925, 2265, 2415, 3171, 3473, 3775, 3795, 4025, 4983, 5285, 5313, 5775, 6325, 8305, 8855, 10419, 11325, 11627, 12075, 15855, 17365, 18975, 24311, 24915, 26425, 26565, 34881, 38203, 41525, 44275, 52095, 58135, 72933, 79275, 86825, 114609, 121555, 124575, 132825, 174405, 191015, 260475, 267421, 290675, 364665, 573045, 607775, 802263, 872025, 955075, 1337105, 1823325, 2865225, 4011315, 6685525, 20056575]

約数ペア:

[(1, 20056575), (3, 6685525), (5, 4011315), (7, 2865225), (11, 1823325), (15, 1337105), (21, 955075), (23, 872025), (25, 802263), (33, 607775), (35, 573045), (55, 364665), (69, 290675), (75, 267421), (77, 260475), (105, 191015), (115, 174405), (151, 132825), (161, 124575), (165, 121555), (175, 114609), (231, 86825), (253, 79275), (275, 72933), (345, 58135), (385, 52095), (453, 44275), (483, 41525), (525, 38203), (575, 34881), (755, 26565), (759, 26425), (805, 24915), (825, 24311), (1057, 18975), (1155, 17365), (1265, 15855), (1661, 12075), (1725, 11627), (1771, 11325), (1925, 10419), (2265, 8855), (2415, 8305), (3171, 6325), (3473, 5775), (3775, 5313), (3795, 5285), (4025, 4983)]