20770293832

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1\times {\mathrm{631}}^1$

素因数の和:1366

約数の個数: 64

約数和(自身を含む): 39991190400

約数和(自身を除く): 19220896568

約数列:

[1, 2, 4, 8, 83, 89, 166, 178, 332, 356, 557, 631, 664, 712, 1114, 1262, 2228, 2524, 4456, 5048, 7387, 14774, 29548, 46231, 49573, 52373, 56159, 59096, 92462, 99146, 104746, 112318, 184924, 198292, 209492, 224636, 351467, 369848, 396584, 418984, 449272, 702934, 1405868, 2811736, 4114559, 4661197, 8229118, 9322394, 16458236, 18644788, 29171761, 31280563, 32916472, 37289576, 58343522, 62561126, 116687044, 125122252, 233374088, 250244504, 2596286729, 5192573458, 10385146916, 20770293832]

約数ペア:

[(1, 20770293832), (2, 10385146916), (4, 5192573458), (8, 2596286729), (83, 250244504), (89, 233374088), (166, 125122252), (178, 116687044), (332, 62561126), (356, 58343522), (557, 37289576), (631, 32916472), (664, 31280563), (712, 29171761), (1114, 18644788), (1262, 16458236), (2228, 9322394), (2524, 8229118), (4456, 4661197), (5048, 4114559), (7387, 2811736), (14774, 1405868), (29548, 702934), (46231, 449272), (49573, 418984), (52373, 396584), (56159, 369848), (59096, 351467), (92462, 224636), (99146, 209492), (104746, 198292), (112318, 184924)]