20110072

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 39283200

約数和(自身を除く): 19173128

約数列:

[1, 2, 4, 8, 31, 62, 124, 131, 248, 262, 524, 619, 1048, 1238, 2476, 4061, 4952, 8122, 16244, 19189, 32488, 38378, 76756, 81089, 153512, 162178, 324356, 648712, 2513759, 5027518, 10055036, 20110072]

約数ペア:

[(1, 20110072), (2, 10055036), (4, 5027518), (8, 2513759), (31, 648712), (62, 324356), (124, 162178), (131, 153512), (248, 81089), (262, 76756), (524, 38378), (619, 32488), (1048, 19189), (1238, 16244), (2476, 8122), (4061, 4952)]