20121746490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{238099}}^1$

素因数の和:238428

約数の個数: 64

約数和(自身を含む): 53829648000

約数和(自身を除く): 33707901510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 313, 626, 939, 1565, 1878, 2817, 3130, 4695, 5634, 8451, 9390, 14085, 16902, 28170, 42255, 84510, 238099, 476198, 714297, 1190495, 1428594, 2142891, 2380990, 3571485, 4285782, 6428673, 7142970, 10714455, 12857346, 21428910, 32143365, 64286730, 74524987, 149049974, 223574961, 372624935, 447149922, 670724883, 745249870, 1117874805, 1341449766, 2012174649, 2235749610, 3353624415, 4024349298, 6707248830, 10060873245, 20121746490]

約数ペア:

[(1, 20121746490), (2, 10060873245), (3, 6707248830), (5, 4024349298), (6, 3353624415), (9, 2235749610), (10, 2012174649), (15, 1341449766), (18, 1117874805), (27, 745249870), (30, 670724883), (45, 447149922), (54, 372624935), (90, 223574961), (135, 149049974), (270, 74524987), (313, 64286730), (626, 32143365), (939, 21428910), (1565, 12857346), (1878, 10714455), (2817, 7142970), (3130, 6428673), (4695, 4285782), (5634, 3571485), (8451, 2380990), (9390, 2142891), (14085, 1428594), (16902, 1190495), (28170, 714297), (42255, 476198), (84510, 238099)]