20892908136

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{291833}}^1$

素因数の和:292018

約数の個数: 64

約数和(自身を含む): 55331726400

約数和(自身を除く): 34438818264

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 157, 228, 314, 456, 471, 628, 942, 1256, 1884, 2983, 3768, 5966, 8949, 11932, 17898, 23864, 35796, 71592, 291833, 583666, 875499, 1167332, 1750998, 2334664, 3501996, 5544827, 7003992, 11089654, 16634481, 22179308, 33268962, 44358616, 45817781, 66537924, 91635562, 133075848, 137453343, 183271124, 274906686, 366542248, 549813372, 870537839, 1099626744, 1741075678, 2611613517, 3482151356, 5223227034, 6964302712, 10446454068, 20892908136]

約数ペア:

[(1, 20892908136), (2, 10446454068), (3, 6964302712), (4, 5223227034), (6, 3482151356), (8, 2611613517), (12, 1741075678), (19, 1099626744), (24, 870537839), (38, 549813372), (57, 366542248), (76, 274906686), (114, 183271124), (152, 137453343), (157, 133075848), (228, 91635562), (314, 66537924), (456, 45817781), (471, 44358616), (628, 33268962), (942, 22179308), (1256, 16634481), (1884, 11089654), (2983, 7003992), (3768, 5544827), (5966, 3501996), (8949, 2334664), (11932, 1750998), (17898, 1167332), (23864, 875499), (35796, 583666), (71592, 291833)]