20512576017

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1\times {\mathrm{541}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 30369049152

約数和(自身を除く): 9856473135

約数列:

[1, 3, 9, 67, 201, 227, 277, 541, 603, 681, 831, 1623, 2043, 2493, 4869, 15209, 18559, 36247, 45627, 55677, 62879, 108741, 122807, 136881, 149857, 167031, 188637, 326223, 368421, 449571, 565911, 1105263, 1348713, 4212893, 8228069, 10040419, 12638679, 24684207, 30121257, 34017539, 37916037, 74052621, 90363771, 102052617, 306157851, 2279175113, 6837525339, 20512576017]

約数ペア:

[(1, 20512576017), (3, 6837525339), (9, 2279175113), (67, 306157851), (201, 102052617), (227, 90363771), (277, 74052621), (541, 37916037), (603, 34017539), (681, 30121257), (831, 24684207), (1623, 12638679), (2043, 10040419), (2493, 8228069), (4869, 4212893), (15209, 1348713), (18559, 1105263), (36247, 565911), (45627, 449571), (55677, 368421), (62879, 326223), (108741, 188637), (122807, 167031), (136881, 149857)]