20572828

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{487}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 36892800

約数和(自身を除く): 16319972

約数列:

[1, 2, 4, 59, 118, 179, 236, 358, 487, 716, 974, 1948, 10561, 21122, 28733, 42244, 57466, 87173, 114932, 174346, 348692, 5143207, 10286414, 20572828]

約数ペア:

[(1, 20572828), (2, 10286414), (4, 5143207), (59, 348692), (118, 174346), (179, 114932), (236, 87173), (358, 57466), (487, 42244), (716, 28733), (974, 21122), (1948, 10561)]