20145154432

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{145861}}^1$

素因数の和:145971

約数の個数: 64

約数和(自身を含む): 43741096560

約数和(自身を除く): 23595942128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 83, 104, 128, 166, 208, 332, 416, 664, 832, 1079, 1328, 1664, 2158, 2656, 4316, 5312, 8632, 10624, 17264, 34528, 69056, 138112, 145861, 291722, 583444, 1166888, 1896193, 2333776, 3792386, 4667552, 7584772, 9335104, 12106463, 15169544, 18670208, 24212926, 30339088, 48425852, 60678176, 96851704, 121356352, 157384019, 193703408, 242712704, 314768038, 387406816, 629536076, 774813632, 1259072152, 1549627264, 2518144304, 5036288608, 10072577216, 20145154432]

約数ペア:

[(1, 20145154432), (2, 10072577216), (4, 5036288608), (8, 2518144304), (13, 1549627264), (16, 1259072152), (26, 774813632), (32, 629536076), (52, 387406816), (64, 314768038), (83, 242712704), (104, 193703408), (128, 157384019), (166, 121356352), (208, 96851704), (332, 60678176), (416, 48425852), (664, 30339088), (832, 24212926), (1079, 18670208), (1328, 15169544), (1664, 12106463), (2158, 9335104), (2656, 7584772), (4316, 4667552), (5312, 3792386), (8632, 2333776), (10624, 1896193), (17264, 1166888), (34528, 583444), (69056, 291722), (138112, 145861)]