20120992008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1057219}}^1$

素因数の和:1057302

約数の個数: 64

約数和(自身を含む): 55060017600

約数和(自身を除く): 34939025592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 78, 104, 122, 156, 183, 244, 312, 366, 488, 732, 793, 1464, 1586, 2379, 3172, 4758, 6344, 9516, 19032, 1057219, 2114438, 3171657, 4228876, 6343314, 8457752, 12686628, 13743847, 25373256, 27487694, 41231541, 54975388, 64490359, 82463082, 109950776, 128980718, 164926164, 193471077, 257961436, 329852328, 386942154, 515922872, 773884308, 838374667, 1547768616, 1676749334, 2515124001, 3353498668, 5030248002, 6706997336, 10060496004, 20120992008]

約数ペア:

[(1, 20120992008), (2, 10060496004), (3, 6706997336), (4, 5030248002), (6, 3353498668), (8, 2515124001), (12, 1676749334), (13, 1547768616), (24, 838374667), (26, 773884308), (39, 515922872), (52, 386942154), (61, 329852328), (78, 257961436), (104, 193471077), (122, 164926164), (156, 128980718), (183, 109950776), (244, 82463082), (312, 64490359), (366, 54975388), (488, 41231541), (732, 27487694), (793, 25373256), (1464, 13743847), (1586, 12686628), (2379, 8457752), (3172, 6343314), (4758, 4228876), (6344, 3171657), (9516, 2114438), (19032, 1057219)]