20478042

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{941}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 50641920

約数和(自身を除く): 30163878

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 93, 117, 186, 234, 279, 351, 403, 558, 702, 806, 837, 941, 1209, 1674, 1882, 2418, 2823, 3627, 5646, 7254, 8469, 10881, 12233, 16938, 21762, 24466, 25407, 29171, 36699, 50814, 58342, 73398, 87513, 110097, 175026, 220194, 262539, 330291, 379223, 525078, 660582, 758446, 787617, 1137669, 1575234, 2275338, 3413007, 6826014, 10239021, 20478042]

約数ペア:

[(1, 20478042), (2, 10239021), (3, 6826014), (6, 3413007), (9, 2275338), (13, 1575234), (18, 1137669), (26, 787617), (27, 758446), (31, 660582), (39, 525078), (54, 379223), (62, 330291), (78, 262539), (93, 220194), (117, 175026), (186, 110097), (234, 87513), (279, 73398), (351, 58342), (403, 50814), (558, 36699), (702, 29171), (806, 25407), (837, 24466), (941, 21762), (1209, 16938), (1674, 12233), (1882, 10881), (2418, 8469), (2823, 7254), (3627, 5646)]