20121844700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{30109}}^1$

素因数の和:30327

約数の個数: 72

約数和(自身を含む): 45005296560

約数和(自身を除く): 24883451860

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 163, 164, 205, 326, 410, 652, 815, 820, 1025, 1630, 2050, 3260, 4075, 4100, 6683, 8150, 13366, 16300, 26732, 30109, 33415, 60218, 66830, 120436, 133660, 150545, 167075, 301090, 334150, 602180, 668300, 752725, 1234469, 1505450, 2468938, 3010900, 4907767, 4937876, 6172345, 9815534, 12344690, 19631068, 24538835, 24689380, 30861725, 49077670, 61723450, 98155340, 122694175, 123446900, 201218447, 245388350, 402436894, 490776700, 804873788, 1006092235, 2012184470, 4024368940, 5030461175, 10060922350, 20121844700]

約数ペア:

[(1, 20121844700), (2, 10060922350), (4, 5030461175), (5, 4024368940), (10, 2012184470), (20, 1006092235), (25, 804873788), (41, 490776700), (50, 402436894), (82, 245388350), (100, 201218447), (163, 123446900), (164, 122694175), (205, 98155340), (326, 61723450), (410, 49077670), (652, 30861725), (815, 24689380), (820, 24538835), (1025, 19631068), (1630, 12344690), (2050, 9815534), (3260, 6172345), (4075, 4937876), (4100, 4907767), (6683, 3010900), (8150, 2468938), (13366, 1505450), (16300, 1234469), (26732, 752725), (30109, 668300), (33415, 602180), (60218, 334150), (66830, 301090), (120436, 167075), (133660, 150545)]