20087452

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^4$

素因数の和:69

約数の個数: 60

約数和(自身を含む): 45094000

約数和(自身を除く): 25006548

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 343, 484, 539, 686, 847, 1078, 1331, 1372, 1694, 2156, 2662, 3388, 3773, 5324, 5929, 7546, 9317, 11858, 14641, 15092, 18634, 23716, 29282, 37268, 41503, 58564, 65219, 83006, 102487, 130438, 166012, 204974, 260876, 409948, 456533, 717409, 913066, 1434818, 1826132, 2869636, 5021863, 10043726, 20087452]

約数ペア:

[(1, 20087452), (2, 10043726), (4, 5021863), (7, 2869636), (11, 1826132), (14, 1434818), (22, 913066), (28, 717409), (44, 456533), (49, 409948), (77, 260876), (98, 204974), (121, 166012), (154, 130438), (196, 102487), (242, 83006), (308, 65219), (343, 58564), (484, 41503), (539, 37268), (686, 29282), (847, 23716), (1078, 18634), (1331, 15092), (1372, 14641), (1694, 11858), (2156, 9317), (2662, 7546), (3388, 5929), (3773, 5324)]