20130555440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14801879}}^1$

素因数の和:14801909

約数の個数: 40

約数和(自身を含む): 49556694240

約数和(自身を除く): 29426138800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14801879, 29603758, 59207516, 74009395, 118415032, 148018790, 236830064, 251631943, 296037580, 503263886, 592075160, 1006527772, 1184150320, 1258159715, 2013055544, 2516319430, 4026111088, 5032638860, 10065277720, 20130555440]

約数ペア:

[(1, 20130555440), (2, 10065277720), (4, 5032638860), (5, 4026111088), (8, 2516319430), (10, 2013055544), (16, 1258159715), (17, 1184150320), (20, 1006527772), (34, 592075160), (40, 503263886), (68, 296037580), (80, 251631943), (85, 236830064), (136, 148018790), (170, 118415032), (272, 74009395), (340, 59207516), (680, 29603758), (1360, 14801879)]