20161784060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1729141}}^1$

素因数の和:1729214

約数の個数: 48

約数和(自身を含む): 47060328672

約数和(自身を除く): 26898544612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 11660, 1729141, 3458282, 6916564, 8645705, 17291410, 19020551, 34582820, 38041102, 76082204, 91644473, 95102755, 183288946, 190205510, 366577892, 380411020, 458222365, 916444730, 1008089203, 1832889460, 2016178406, 4032356812, 5040446015, 10080892030, 20161784060]

約数ペア:

[(1, 20161784060), (2, 10080892030), (4, 5040446015), (5, 4032356812), (10, 2016178406), (11, 1832889460), (20, 1008089203), (22, 916444730), (44, 458222365), (53, 380411020), (55, 366577892), (106, 190205510), (110, 183288946), (212, 95102755), (220, 91644473), (265, 76082204), (530, 38041102), (583, 34582820), (1060, 19020551), (1166, 17291410), (2332, 8645705), (2915, 6916564), (5830, 3458282), (11660, 1729141)]