20120880273

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1\times {\mathrm{11939}}^1$

素因数の和:12581

約数の個数: 32

約数和(自身を含む): 29313177600

約数和(自身を除く): 9192297327

約数列:

[1, 3, 13, 39, 79, 237, 547, 1027, 1641, 3081, 7111, 11939, 21333, 35817, 43213, 129639, 155207, 465621, 561769, 943181, 1685307, 2829543, 6530633, 12261353, 19591899, 36784059, 84898229, 254694687, 515920007, 1547760021, 6706960091, 20120880273]

約数ペア:

[(1, 20120880273), (3, 6706960091), (13, 1547760021), (39, 515920007), (79, 254694687), (237, 84898229), (547, 36784059), (1027, 19591899), (1641, 12261353), (3081, 6530633), (7111, 2829543), (11939, 1685307), (21333, 943181), (35817, 561769), (43213, 465621), (129639, 155207)]