20192625

素因数分解:

$3^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 38737920

約数和(自身を除く): 18545295

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 125, 135, 155, 193, 225, 279, 375, 465, 579, 675, 775, 837, 965, 1125, 1395, 1737, 2325, 2895, 3375, 3875, 4185, 4825, 5211, 5983, 6975, 8685, 11625, 14475, 17949, 20925, 24125, 26055, 29915, 34875, 43425, 53847, 72375, 89745, 104625, 130275, 149575, 161541, 217125, 269235, 448725, 651375, 747875, 807705, 1346175, 2243625, 4038525, 6730875, 20192625]

約数ペア:

[(1, 20192625), (3, 6730875), (5, 4038525), (9, 2243625), (15, 1346175), (25, 807705), (27, 747875), (31, 651375), (45, 448725), (75, 269235), (93, 217125), (125, 161541), (135, 149575), (155, 130275), (193, 104625), (225, 89745), (279, 72375), (375, 53847), (465, 43425), (579, 34875), (675, 29915), (775, 26055), (837, 24125), (965, 20925), (1125, 17949), (1395, 14475), (1737, 11625), (2325, 8685), (2895, 6975), (3375, 5983), (3875, 5211), (4185, 4825)]