20130182540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1800553}}^1$

素因数の和:1800618

約数の個数: 48

約数和(自身を含む): 46583933088

約数和(自身を除く): 26453750548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 1800553, 3601106, 7202212, 9002765, 18005530, 23407189, 36011060, 46814378, 77423779, 93628756, 117035945, 154847558, 234071890, 309695116, 387118895, 468143780, 774237790, 1006509127, 1548475580, 2013018254, 4026036508, 5032545635, 10065091270, 20130182540]

約数ペア:

[(1, 20130182540), (2, 10065091270), (4, 5032545635), (5, 4026036508), (10, 2013018254), (13, 1548475580), (20, 1006509127), (26, 774237790), (43, 468143780), (52, 387118895), (65, 309695116), (86, 234071890), (130, 154847558), (172, 117035945), (215, 93628756), (260, 77423779), (430, 46814378), (559, 36011060), (860, 23407189), (1118, 18005530), (2236, 9002765), (2795, 7202212), (5590, 3601106), (11180, 1800553)]