20494744

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{69239}}^1$

素因数の和:69282

約数の個数: 16

約数和(自身を含む): 39466800

約数和(自身を除く): 18972056

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 69239, 138478, 276956, 553912, 2561843, 5123686, 10247372, 20494744]

約数ペア:

[(1, 20494744), (2, 10247372), (4, 5123686), (8, 2561843), (37, 553912), (74, 276956), (148, 138478), (296, 69239)]