20749755712

素因数分解:

$2^6\times 7^1\times {\mathrm{1669}}^1\times {\mathrm{27751}}^1$

素因数の和:29439

約数の個数: 56

約数和(自身を含む): 47087373440

約数和(自身を除く): 26337617728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 1669, 3338, 6676, 11683, 13352, 23366, 26704, 27751, 46732, 53408, 55502, 93464, 106816, 111004, 186928, 194257, 222008, 373856, 388514, 444016, 747712, 777028, 888032, 1554056, 1776064, 3108112, 6216224, 12432448, 46316419, 92632838, 185265676, 324214933, 370531352, 648429866, 741062704, 1296859732, 1482125408, 2593719464, 2964250816, 5187438928, 10374877856, 20749755712]

約数ペア:

[(1, 20749755712), (2, 10374877856), (4, 5187438928), (7, 2964250816), (8, 2593719464), (14, 1482125408), (16, 1296859732), (28, 741062704), (32, 648429866), (56, 370531352), (64, 324214933), (112, 185265676), (224, 92632838), (448, 46316419), (1669, 12432448), (3338, 6216224), (6676, 3108112), (11683, 1776064), (13352, 1554056), (23366, 888032), (26704, 777028), (27751, 747712), (46732, 444016), (53408, 388514), (55502, 373856), (93464, 222008), (106816, 194257), (111004, 186928)]