20747732374

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1\times {\mathrm{821}}^1$

素因数の和:1728

約数の個数: 32

約数和(自身を含む): 31648644000

約数和(自身を除く): 10900911626

約数列:

[1, 2, 137, 149, 274, 298, 619, 821, 1238, 1642, 20413, 40826, 84803, 92231, 112477, 122329, 169606, 184462, 224954, 244658, 508199, 1016398, 12635647, 16759073, 25271294, 33518146, 69623263, 75721651, 139246526, 151443302, 10373866187, 20747732374]

約数ペア:

[(1, 20747732374), (2, 10373866187), (137, 151443302), (149, 139246526), (274, 75721651), (298, 69623263), (619, 33518146), (821, 25271294), (1238, 16759073), (1642, 12635647), (20413, 1016398), (40826, 508199), (84803, 244658), (92231, 224954), (112477, 184462), (122329, 169606)]