20474652

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 53625600

約数和(自身を除く): 33150948

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 59, 66, 118, 121, 132, 177, 236, 239, 242, 354, 363, 478, 484, 649, 708, 717, 726, 956, 1298, 1434, 1452, 1947, 2596, 2629, 2868, 3894, 5258, 7139, 7788, 7887, 10516, 14101, 14278, 15774, 21417, 28202, 28556, 28919, 31548, 42303, 42834, 56404, 57838, 84606, 85668, 86757, 115676, 155111, 169212, 173514, 310222, 347028, 465333, 620444, 930666, 1706221, 1861332, 3412442, 5118663, 6824884, 10237326, 20474652]

約数ペア:

[(1, 20474652), (2, 10237326), (3, 6824884), (4, 5118663), (6, 3412442), (11, 1861332), (12, 1706221), (22, 930666), (33, 620444), (44, 465333), (59, 347028), (66, 310222), (118, 173514), (121, 169212), (132, 155111), (177, 115676), (236, 86757), (239, 85668), (242, 84606), (354, 57838), (363, 56404), (478, 42834), (484, 42303), (649, 31548), (708, 28919), (717, 28556), (726, 28202), (956, 21417), (1298, 15774), (1434, 14278), (1452, 14101), (1947, 10516), (2596, 7887), (2629, 7788), (2868, 7139), (3894, 5258)]