20476430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5081}}^1$

素因数の和:5132

約数の個数: 32

約数和(自身を含む): 40981248

約数和(自身を除く): 20504818

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 5081, 10162, 25405, 50810, 66053, 132106, 157511, 315022, 330265, 660530, 787555, 1575110, 2047643, 4095286, 10238215, 20476430]

約数ペア:

[(1, 20476430), (2, 10238215), (5, 4095286), (10, 2047643), (13, 1575110), (26, 787555), (31, 660530), (62, 330265), (65, 315022), (130, 157511), (155, 132106), (310, 66053), (403, 50810), (806, 25405), (2015, 10162), (4030, 5081)]