20342373380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1831}}^1\times {\mathrm{79357}}^1$

素因数の和:81204

約数の個数: 48

約数和(自身を含む): 48848975616

約数和(自身を除く): 28506602236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1831, 3662, 7324, 9155, 12817, 18310, 25634, 36620, 51268, 64085, 79357, 128170, 158714, 256340, 317428, 396785, 555499, 793570, 1110998, 1587140, 2221996, 2777495, 5554990, 11109980, 145302667, 290605334, 581210668, 726513335, 1017118669, 1453026670, 2034237338, 2906053340, 4068474676, 5085593345, 10171186690, 20342373380]

約数ペア:

[(1, 20342373380), (2, 10171186690), (4, 5085593345), (5, 4068474676), (7, 2906053340), (10, 2034237338), (14, 1453026670), (20, 1017118669), (28, 726513335), (35, 581210668), (70, 290605334), (140, 145302667), (1831, 11109980), (3662, 5554990), (7324, 2777495), (9155, 2221996), (12817, 1587140), (18310, 1110998), (25634, 793570), (36620, 555499), (51268, 396785), (64085, 317428), (79357, 256340), (128170, 158714)]