20403969392

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{4021}}^1\times {\mathrm{13789}}^1$

素因数の和:17841

約数の個数: 40

約数和(自身を含む): 41264754720

約数和(自身を除く): 20860785328

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 4021, 8042, 13789, 16084, 27578, 32168, 55156, 64336, 92483, 110312, 184966, 220624, 317147, 369932, 634294, 739864, 1268588, 1479728, 2537176, 5074352, 55445569, 110891138, 221782276, 443564552, 887129104, 1275248087, 2550496174, 5100992348, 10201984696, 20403969392]

約数ペア:

[(1, 20403969392), (2, 10201984696), (4, 5100992348), (8, 2550496174), (16, 1275248087), (23, 887129104), (46, 443564552), (92, 221782276), (184, 110891138), (368, 55445569), (4021, 5074352), (8042, 2537176), (13789, 1479728), (16084, 1268588), (27578, 739864), (32168, 634294), (55156, 369932), (64336, 317147), (92483, 220624), (110312, 184966)]