20193540128

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{135389}}^1$

素因数の和:135537

約数の個数: 48

約数和(自身を含む): 40941936000

約数和(自身を除く): 20748395872

約数列:

[1, 2, 4, 8, 16, 32, 59, 79, 118, 158, 236, 316, 472, 632, 944, 1264, 1888, 2528, 4661, 9322, 18644, 37288, 74576, 135389, 149152, 270778, 541556, 1083112, 2166224, 4332448, 7987951, 10695731, 15975902, 21391462, 31951804, 42782924, 63903608, 85565848, 127807216, 171131696, 255614432, 342263392, 631048129, 1262096258, 2524192516, 5048385032, 10096770064, 20193540128]

約数ペア:

[(1, 20193540128), (2, 10096770064), (4, 5048385032), (8, 2524192516), (16, 1262096258), (32, 631048129), (59, 342263392), (79, 255614432), (118, 171131696), (158, 127807216), (236, 85565848), (316, 63903608), (472, 42782924), (632, 31951804), (944, 21391462), (1264, 15975902), (1888, 10695731), (2528, 7987951), (4661, 4332448), (9322, 2166224), (18644, 1083112), (37288, 541556), (74576, 270778), (135389, 149152)]