20448974

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2293}}^1$

素因数の和:2329

約数の個数: 32

約数和(自身を含む): 38539200

約数和(自身を除く): 18090226

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 2293, 4459, 4586, 8918, 16051, 29809, 32102, 59618, 112357, 208663, 224714, 417326, 786499, 1460641, 1572998, 2921282, 10224487, 20448974]

約数ペア:

[(1, 20448974), (2, 10224487), (7, 2921282), (13, 1572998), (14, 1460641), (26, 786499), (49, 417326), (91, 224714), (98, 208663), (182, 112357), (343, 59618), (637, 32102), (686, 29809), (1274, 16051), (2293, 8918), (4459, 4586)]