20218871817

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{13003}}^1\times {\mathrm{10163}}^1$

素因数の和:23189

約数の個数: 24

約数和(自身を含む): 30928401504

約数和(自身を除く): 10709529687

約数列:

[1, 3, 9, 17, 51, 153, 10163, 13003, 30489, 39009, 91467, 117027, 172771, 221051, 518313, 663153, 1554939, 1989459, 132149489, 396448467, 1189345401, 2246541313, 6739623939, 20218871817]

約数ペア:

[(1, 20218871817), (3, 6739623939), (9, 2246541313), (17, 1189345401), (51, 396448467), (153, 132149489), (10163, 1989459), (13003, 1554939), (30489, 663153), (39009, 518313), (91467, 221051), (117027, 172771)]