20014840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16141}}^1$

素因数の和:16183

約数の個数: 32

約数和(自身を含む): 46488960

約数和(自身を除く): 26474120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 16141, 32282, 64564, 80705, 129128, 161410, 322820, 500371, 645640, 1000742, 2001484, 2501855, 4002968, 5003710, 10007420, 20014840]

約数ペア:

[(1, 20014840), (2, 10007420), (4, 5003710), (5, 4002968), (8, 2501855), (10, 2001484), (20, 1000742), (31, 645640), (40, 500371), (62, 322820), (124, 161410), (155, 129128), (248, 80705), (310, 64564), (620, 32282), (1240, 16141)]