20166617560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{58549}}^1$

素因数の和:58748

約数の個数: 64

約数和(自身を含む): 46371600000

約数和(自身を除く): 26204982440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 109, 158, 218, 316, 395, 436, 545, 632, 790, 872, 1090, 1580, 2180, 3160, 4360, 8611, 17222, 34444, 43055, 58549, 68888, 86110, 117098, 172220, 234196, 292745, 344440, 468392, 585490, 1170980, 2341960, 4625371, 6381841, 9250742, 12763682, 18501484, 23126855, 25527364, 31909205, 37002968, 46253710, 51054728, 63818410, 92507420, 127636820, 185014840, 255273640, 504165439, 1008330878, 2016661756, 2520827195, 4033323512, 5041654390, 10083308780, 20166617560]

約数ペア:

[(1, 20166617560), (2, 10083308780), (4, 5041654390), (5, 4033323512), (8, 2520827195), (10, 2016661756), (20, 1008330878), (40, 504165439), (79, 255273640), (109, 185014840), (158, 127636820), (218, 92507420), (316, 63818410), (395, 51054728), (436, 46253710), (545, 37002968), (632, 31909205), (790, 25527364), (872, 23126855), (1090, 18501484), (1580, 12763682), (2180, 9250742), (3160, 6381841), (4360, 4625371), (8611, 2341960), (17222, 1170980), (34444, 585490), (43055, 468392), (58549, 344440), (68888, 292745), (86110, 234196), (117098, 172220)]