20180899870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{11423}}^1$

素因数の和:11641

約数の個数: 64

約数和(自身を含む): 38691717120

約数和(自身を除く): 18510817250

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 139, 155, 205, 278, 310, 410, 695, 1271, 1390, 2542, 4309, 5699, 6355, 8618, 11398, 11423, 12710, 21545, 22846, 28495, 43090, 56990, 57115, 114230, 176669, 353338, 354113, 468343, 708226, 883345, 936686, 1587797, 1766690, 1770565, 2341715, 3175594, 3541130, 4683430, 7938985, 14518633, 15877970, 29037266, 49221707, 65099677, 72593165, 98443414, 130199354, 145186330, 246108535, 325498385, 492217070, 650996770, 2018089987, 4036179974, 10090449935, 20180899870]

約数ペア:

[(1, 20180899870), (2, 10090449935), (5, 4036179974), (10, 2018089987), (31, 650996770), (41, 492217070), (62, 325498385), (82, 246108535), (139, 145186330), (155, 130199354), (205, 98443414), (278, 72593165), (310, 65099677), (410, 49221707), (695, 29037266), (1271, 15877970), (1390, 14518633), (2542, 7938985), (4309, 4683430), (5699, 3541130), (6355, 3175594), (8618, 2341715), (11398, 1770565), (11423, 1766690), (12710, 1587797), (21545, 936686), (22846, 883345), (28495, 708226), (43090, 468343), (56990, 354113), (57115, 353338), (114230, 176669)]