20871036220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2953}}^1\times {\mathrm{9551}}^1$

素因数の和:12550

約数の個数: 48

約数和(自身を含む): 45033706368

約数和(自身を除く): 24162670148

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 2953, 5906, 9551, 11812, 14765, 19102, 29530, 38204, 47755, 59060, 95510, 109261, 191020, 218522, 353387, 437044, 546305, 706774, 1092610, 1413548, 1766935, 2185220, 3533870, 7067740, 28204103, 56408206, 112816412, 141020515, 282041030, 564082060, 1043551811, 2087103622, 4174207244, 5217759055, 10435518110, 20871036220]

約数ペア:

[(1, 20871036220), (2, 10435518110), (4, 5217759055), (5, 4174207244), (10, 2087103622), (20, 1043551811), (37, 564082060), (74, 282041030), (148, 141020515), (185, 112816412), (370, 56408206), (740, 28204103), (2953, 7067740), (5906, 3533870), (9551, 2185220), (11812, 1766935), (14765, 1413548), (19102, 1092610), (29530, 706774), (38204, 546305), (47755, 437044), (59060, 353387), (95510, 218522), (109261, 191020)]