20589140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 53174016

約数和(自身を除く): 32584876

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 130, 143, 220, 230, 253, 260, 286, 299, 313, 460, 506, 572, 598, 626, 715, 1012, 1196, 1252, 1265, 1430, 1495, 1565, 2530, 2860, 2990, 3130, 3289, 3443, 4069, 5060, 5980, 6260, 6578, 6886, 7199, 8138, 13156, 13772, 14398, 16276, 16445, 17215, 20345, 28796, 32890, 34430, 35995, 40690, 44759, 65780, 68860, 71990, 79189, 81380, 89518, 93587, 143980, 158378, 179036, 187174, 223795, 316756, 374348, 395945, 447590, 467935, 791890, 895180, 935870, 1029457, 1583780, 1871740, 2058914, 4117828, 5147285, 10294570, 20589140]

約数ペア:

[(1, 20589140), (2, 10294570), (4, 5147285), (5, 4117828), (10, 2058914), (11, 1871740), (13, 1583780), (20, 1029457), (22, 935870), (23, 895180), (26, 791890), (44, 467935), (46, 447590), (52, 395945), (55, 374348), (65, 316756), (92, 223795), (110, 187174), (115, 179036), (130, 158378), (143, 143980), (220, 93587), (230, 89518), (253, 81380), (260, 79189), (286, 71990), (299, 68860), (313, 65780), (460, 44759), (506, 40690), (572, 35995), (598, 34430), (626, 32890), (715, 28796), (1012, 20345), (1196, 17215), (1252, 16445), (1265, 16276), (1430, 14398), (1495, 13772), (1565, 13156), (2530, 8138), (2860, 7199), (2990, 6886), (3130, 6578), (3289, 6260), (3443, 5980), (4069, 5060)]