20512085642

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{379}}^1\times {\mathrm{971}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 33009703200

約数和(自身を除く): 12497617558

約数列:

[1, 2, 29, 31, 58, 62, 379, 758, 899, 961, 971, 1798, 1922, 1942, 10991, 11749, 21982, 23498, 27869, 28159, 30101, 55738, 56318, 60202, 340721, 364219, 368009, 681442, 728438, 736018, 872929, 933131, 1745858, 1866262, 10562351, 10672261, 11408279, 21124702, 21344522, 22816558, 27060799, 54121598, 330840091, 353656649, 661680182, 707313298, 10256042821, 20512085642]

約数ペア:

[(1, 20512085642), (2, 10256042821), (29, 707313298), (31, 661680182), (58, 353656649), (62, 330840091), (379, 54121598), (758, 27060799), (899, 22816558), (961, 21344522), (971, 21124702), (1798, 11408279), (1922, 10672261), (1942, 10562351), (10991, 1866262), (11749, 1745858), (21982, 933131), (23498, 872929), (27869, 736018), (28159, 728438), (30101, 681442), (55738, 368009), (56318, 364219), (60202, 340721)]