220816

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:418

約数の個数: 20

約数和(自身を含む): 440572

約数和(自身を除く): 219756

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 373, 592, 746, 1492, 2984, 5968, 13801, 27602, 55204, 110408, 220816]

約数ペア:

[(1, 220816), (2, 110408), (4, 55204), (8, 27602), (16, 13801), (37, 5968), (74, 2984), (148, 1492), (296, 746), (373, 592)]