20681799240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{392593}}^1$

素因数の和:393046

約数の個数: 64

約数和(自身を含む): 62186889600

約数和(自身を除く): 41505090360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 439, 878, 1317, 1756, 2195, 2634, 3512, 4390, 5268, 6585, 8780, 10536, 13170, 17560, 26340, 52680, 392593, 785186, 1177779, 1570372, 1962965, 2355558, 3140744, 3925930, 4711116, 5888895, 7851860, 9422232, 11777790, 15703720, 23555580, 47111160, 172348327, 344696654, 517044981, 689393308, 861741635, 1034089962, 1378786616, 1723483270, 2068179924, 2585224905, 3446966540, 4136359848, 5170449810, 6893933080, 10340899620, 20681799240]

約数ペア:

[(1, 20681799240), (2, 10340899620), (3, 6893933080), (4, 5170449810), (5, 4136359848), (6, 3446966540), (8, 2585224905), (10, 2068179924), (12, 1723483270), (15, 1378786616), (20, 1034089962), (24, 861741635), (30, 689393308), (40, 517044981), (60, 344696654), (120, 172348327), (439, 47111160), (878, 23555580), (1317, 15703720), (1756, 11777790), (2195, 9422232), (2634, 7851860), (3512, 5888895), (4390, 4711116), (5268, 3925930), (6585, 3140744), (8780, 2355558), (10536, 1962965), (13170, 1570372), (17560, 1177779), (26340, 785186), (52680, 392593)]