20173013925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{263}}^1\times {\mathrm{2833}}^1$

素因数の和:3147

約数の個数: 72

約数和(自身を含む): 35346826944

約数和(自身を除く): 15173813019

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 263, 285, 361, 475, 789, 1083, 1315, 1425, 1805, 2833, 3945, 4997, 5415, 6575, 8499, 9025, 14165, 14991, 19725, 24985, 27075, 42495, 53827, 70825, 74955, 94943, 124925, 161481, 212475, 269135, 284829, 374775, 474715, 745079, 807405, 1022713, 1345675, 1424145, 2235237, 2373575, 3068139, 3725395, 4037025, 5113565, 7120725, 11176185, 14156501, 15340695, 18626975, 25567825, 42469503, 55880925, 70782505, 76703475, 212347515, 268973519, 353912525, 806920557, 1061737575, 1344867595, 4034602785, 6724337975, 20173013925]

約数ペア:

[(1, 20173013925), (3, 6724337975), (5, 4034602785), (15, 1344867595), (19, 1061737575), (25, 806920557), (57, 353912525), (75, 268973519), (95, 212347515), (263, 76703475), (285, 70782505), (361, 55880925), (475, 42469503), (789, 25567825), (1083, 18626975), (1315, 15340695), (1425, 14156501), (1805, 11176185), (2833, 7120725), (3945, 5113565), (4997, 4037025), (5415, 3725395), (6575, 3068139), (8499, 2373575), (9025, 2235237), (14165, 1424145), (14991, 1345675), (19725, 1022713), (24985, 807405), (27075, 745079), (42495, 474715), (53827, 374775), (70825, 284829), (74955, 269135), (94943, 212475), (124925, 161481)]