20422376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1499}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 41580000

約数和(自身を除く): 21157624

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 262, 524, 1048, 1499, 1703, 2998, 3406, 5996, 6812, 11992, 13624, 19487, 38974, 77948, 155896, 196369, 392738, 785476, 1570952, 2552797, 5105594, 10211188, 20422376]

約数ペア:

[(1, 20422376), (2, 10211188), (4, 5105594), (8, 2552797), (13, 1570952), (26, 785476), (52, 392738), (104, 196369), (131, 155896), (262, 77948), (524, 38974), (1048, 19487), (1499, 13624), (1703, 11992), (2998, 6812), (3406, 5996)]