20823428

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 37094400

約数和(自身を除く): 16270972

約数列:

[1, 2, 4, 127, 179, 229, 254, 358, 458, 508, 716, 916, 22733, 29083, 40991, 45466, 58166, 81982, 90932, 116332, 163964, 5205857, 10411714, 20823428]

約数ペア:

[(1, 20823428), (2, 10411714), (4, 5205857), (127, 163964), (179, 116332), (229, 90932), (254, 81982), (358, 58166), (458, 45466), (508, 40991), (716, 29083), (916, 22733)]