20196592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1201

約数の個数: 40

約数和(自身を含む): 42653520

約数和(自身を除く): 22456928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1091, 1157, 1424, 2182, 2314, 4364, 4628, 8728, 9256, 14183, 17456, 18512, 28366, 56732, 97099, 113464, 194198, 226928, 388396, 776792, 1262287, 1553584, 2524574, 5049148, 10098296, 20196592]

約数ペア:

[(1, 20196592), (2, 10098296), (4, 5049148), (8, 2524574), (13, 1553584), (16, 1262287), (26, 776792), (52, 388396), (89, 226928), (104, 194198), (178, 113464), (208, 97099), (356, 56732), (712, 28366), (1091, 18512), (1157, 17456), (1424, 14183), (2182, 9256), (2314, 8728), (4364, 4628)]