20851094775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{4111}}^1\times {\mathrm{9661}}^1$

素因数の和:13792

約数の個数: 48

約数和(自身を含む): 39412302848

約数和(自身を除く): 18561208073

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 4111, 9661, 12333, 20555, 28777, 28983, 48305, 61665, 67627, 86331, 102775, 143885, 144915, 202881, 241525, 308325, 338135, 431655, 719425, 724575, 1014405, 1690675, 2158275, 5072025, 39716371, 119149113, 198581855, 278014597, 595745565, 834043791, 992909275, 1390072985, 2978727825, 4170218955, 6950364925, 20851094775]

約数ペア:

[(1, 20851094775), (3, 6950364925), (5, 4170218955), (7, 2978727825), (15, 1390072985), (21, 992909275), (25, 834043791), (35, 595745565), (75, 278014597), (105, 198581855), (175, 119149113), (525, 39716371), (4111, 5072025), (9661, 2158275), (12333, 1690675), (20555, 1014405), (28777, 724575), (28983, 719425), (48305, 431655), (61665, 338135), (67627, 308325), (86331, 241525), (102775, 202881), (143885, 144915)]