20974708

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7459}}^1$

素因数の和:7519

約数の個数: 24

約数和(自身を含む): 39687200

約数和(自身を除く): 18712492

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7459, 14918, 29836, 141721, 275983, 283442, 551966, 566884, 1103932, 5243677, 10487354, 20974708]

約数ペア:

[(1, 20974708), (2, 10487354), (4, 5243677), (19, 1103932), (37, 566884), (38, 551966), (74, 283442), (76, 275983), (148, 141721), (703, 29836), (1406, 14918), (2812, 7459)]