20636776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3701}}^1$

素因数の和:3765

約数の個数: 32

約数和(自身を含む): 41980680

約数和(自身を除く): 21343904

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 328, 697, 1394, 2788, 3701, 5576, 7402, 14804, 29608, 62917, 125834, 151741, 251668, 303482, 503336, 606964, 1213928, 2579597, 5159194, 10318388, 20636776]

約数ペア:

[(1, 20636776), (2, 10318388), (4, 5159194), (8, 2579597), (17, 1213928), (34, 606964), (41, 503336), (68, 303482), (82, 251668), (136, 151741), (164, 125834), (328, 62917), (697, 29608), (1394, 14804), (2788, 7402), (3701, 5576)]