20342066975

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1725

約数の個数: 72

約数和(自身を含む): 28104690768

約数和(自身を除く): 7762623793

約数列:

[1, 5, 17, 25, 41, 43, 85, 205, 215, 289, 425, 697, 731, 1025, 1075, 1445, 1597, 1763, 3485, 3655, 7225, 7985, 8815, 11849, 12427, 17425, 18275, 27149, 29971, 39925, 44075, 59245, 62135, 65477, 68671, 135745, 149855, 296225, 310675, 327385, 343355, 461533, 509507, 678725, 749275, 1113109, 1167407, 1636925, 1716775, 2307665, 2547535, 2815511, 5565545, 5837035, 11538325, 12737675, 14077555, 18922853, 19845919, 27827725, 29185175, 47863687, 70387775, 94614265, 99229595, 239318435, 473071325, 496147975, 813682679, 1196592175, 4068413395, 20342066975]

約数ペア:

[(1, 20342066975), (5, 4068413395), (17, 1196592175), (25, 813682679), (41, 496147975), (43, 473071325), (85, 239318435), (205, 99229595), (215, 94614265), (289, 70387775), (425, 47863687), (697, 29185175), (731, 27827725), (1025, 19845919), (1075, 18922853), (1445, 14077555), (1597, 12737675), (1763, 11538325), (3485, 5837035), (3655, 5565545), (7225, 2815511), (7985, 2547535), (8815, 2307665), (11849, 1716775), (12427, 1636925), (17425, 1167407), (18275, 1113109), (27149, 749275), (29971, 678725), (39925, 509507), (44075, 461533), (59245, 343355), (62135, 327385), (65477, 310675), (68671, 296225), (135745, 149855)]