20807540070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1\times {\mathrm{26107}}^1$

素因数の和:27005

約数の個数: 64

約数和(自身を含む): 51611129856

約数和(自身を除く): 30803589786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 857, 930, 1714, 2571, 4285, 5142, 8570, 12855, 25710, 26107, 26567, 52214, 53134, 78321, 79701, 130535, 132835, 156642, 159402, 261070, 265670, 391605, 398505, 783210, 797010, 809317, 1618634, 2427951, 4046585, 4855902, 8093170, 12139755, 22373699, 24279510, 44747398, 67121097, 111868495, 134242194, 223736990, 335605485, 671210970, 693584669, 1387169338, 2080754007, 3467923345, 4161508014, 6935846690, 10403770035, 20807540070]

約数ペア:

[(1, 20807540070), (2, 10403770035), (3, 6935846690), (5, 4161508014), (6, 3467923345), (10, 2080754007), (15, 1387169338), (30, 693584669), (31, 671210970), (62, 335605485), (93, 223736990), (155, 134242194), (186, 111868495), (310, 67121097), (465, 44747398), (857, 24279510), (930, 22373699), (1714, 12139755), (2571, 8093170), (4285, 4855902), (5142, 4046585), (8570, 2427951), (12855, 1618634), (25710, 809317), (26107, 797010), (26567, 783210), (52214, 398505), (53134, 391605), (78321, 265670), (79701, 261070), (130535, 159402), (132835, 156642)]