20984154944

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{38183}}^1$

素因数の和:38503

約数の個数: 56

約数和(自身を含む): 43139977728

約数和(自身を除く): 22155822784

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 277, 496, 554, 992, 1108, 1984, 2216, 4432, 8587, 8864, 17174, 17728, 34348, 38183, 68696, 76366, 137392, 152732, 274784, 305464, 549568, 610928, 1183673, 1221856, 2367346, 2443712, 4734692, 9469384, 10576691, 18938768, 21153382, 37877536, 42306764, 75755072, 84613528, 169227056, 327877421, 338454112, 655754842, 676908224, 1311509684, 2623019368, 5246038736, 10492077472, 20984154944]

約数ペア:

[(1, 20984154944), (2, 10492077472), (4, 5246038736), (8, 2623019368), (16, 1311509684), (31, 676908224), (32, 655754842), (62, 338454112), (64, 327877421), (124, 169227056), (248, 84613528), (277, 75755072), (496, 42306764), (554, 37877536), (992, 21153382), (1108, 18938768), (1984, 10576691), (2216, 9469384), (4432, 4734692), (8587, 2443712), (8864, 2367346), (17174, 1221856), (17728, 1183673), (34348, 610928), (38183, 549568), (68696, 305464), (76366, 274784), (137392, 152732)]