2020169240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{7481}}^1$

素因数の和:7692

約数の個数: 64

約数和(自身を含む): 4681337760

約数和(自身を除く): 2661168520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 157, 172, 215, 314, 344, 430, 628, 785, 860, 1256, 1570, 1720, 3140, 6280, 6751, 7481, 13502, 14962, 27004, 29924, 33755, 37405, 54008, 59848, 67510, 74810, 135020, 149620, 270040, 299240, 321683, 643366, 1174517, 1286732, 1608415, 2349034, 2573464, 3216830, 4698068, 5872585, 6433660, 9396136, 11745170, 12867320, 23490340, 46980680, 50504231, 101008462, 202016924, 252521155, 404033848, 505042310, 1010084620, 2020169240]

約数ペア:

[(1, 2020169240), (2, 1010084620), (4, 505042310), (5, 404033848), (8, 252521155), (10, 202016924), (20, 101008462), (40, 50504231), (43, 46980680), (86, 23490340), (157, 12867320), (172, 11745170), (215, 9396136), (314, 6433660), (344, 5872585), (430, 4698068), (628, 3216830), (785, 2573464), (860, 2349034), (1256, 1608415), (1570, 1286732), (1720, 1174517), (3140, 643366), (6280, 321683), (6751, 299240), (7481, 270040), (13502, 149620), (14962, 135020), (27004, 74810), (29924, 67510), (33755, 59848), (37405, 54008)]