20394334

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:688

約数の個数: 24

約数和(自身を含む): 33028128

約数和(自身を除く): 12633794

約数列:

[1, 2, 19, 38, 47, 94, 361, 601, 722, 893, 1202, 1786, 11419, 16967, 22838, 28247, 33934, 56494, 216961, 433922, 536693, 1073386, 10197167, 20394334]

約数ペア:

[(1, 20394334), (2, 10197167), (19, 1073386), (38, 536693), (47, 433922), (94, 216961), (361, 56494), (601, 33934), (722, 28247), (893, 22838), (1202, 16967), (1786, 11419)]