20406056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3461}}^1$

素因数の和:3545

約数の個数: 32

約数和(自身を含む): 42374880

約数和(自身を除く): 21968824

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 3461, 5896, 6922, 13844, 27688, 38071, 76142, 152284, 231887, 304568, 463774, 927548, 1855096, 2550757, 5101514, 10203028, 20406056]

約数ペア:

[(1, 20406056), (2, 10203028), (4, 5101514), (8, 2550757), (11, 1855096), (22, 927548), (44, 463774), (67, 304568), (88, 231887), (134, 152284), (268, 76142), (536, 38071), (737, 27688), (1474, 13844), (2948, 6922), (3461, 5896)]