20128774940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1\times {\mathrm{12007}}^1$

素因数の和:12894

約数の個数: 48

約数和(自身を含む): 42717259200

約数和(自身を除く): 22588484260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 769, 1090, 1538, 2180, 3076, 3845, 7690, 12007, 15380, 24014, 48028, 60035, 83821, 120070, 167642, 240140, 335284, 419105, 838210, 1308763, 1676420, 2617526, 5235052, 6543815, 9233383, 13087630, 18466766, 26175260, 36933532, 46166915, 92333830, 184667660, 1006438747, 2012877494, 4025754988, 5032193735, 10064387470, 20128774940]

約数ペア:

[(1, 20128774940), (2, 10064387470), (4, 5032193735), (5, 4025754988), (10, 2012877494), (20, 1006438747), (109, 184667660), (218, 92333830), (436, 46166915), (545, 36933532), (769, 26175260), (1090, 18466766), (1538, 13087630), (2180, 9233383), (3076, 6543815), (3845, 5235052), (7690, 2617526), (12007, 1676420), (15380, 1308763), (24014, 838210), (48028, 419105), (60035, 335284), (83821, 240140), (120070, 167642)]