20379476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20627}}^1$

素因数の和:20663

約数の個数: 24

約数和(自身を含む): 40430880

約数和(自身を除く): 20051404

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20627, 41254, 82508, 268151, 391913, 536302, 783826, 1072604, 1567652, 5094869, 10189738, 20379476]

約数ペア:

[(1, 20379476), (2, 10189738), (4, 5094869), (13, 1567652), (19, 1072604), (26, 783826), (38, 536302), (52, 391913), (76, 268151), (247, 82508), (494, 41254), (988, 20627)]