20713458

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 44659296

約数和(自身を除く): 23945838

約数列:

[1, 2, 3, 6, 19, 38, 57, 73, 114, 131, 146, 219, 262, 361, 393, 438, 722, 786, 1083, 1387, 2166, 2489, 2774, 4161, 4978, 7467, 8322, 9563, 14934, 19126, 26353, 28689, 47291, 52706, 57378, 79059, 94582, 141873, 158118, 181697, 283746, 363394, 545091, 1090182, 3452243, 6904486, 10356729, 20713458]

約数ペア:

[(1, 20713458), (2, 10356729), (3, 6904486), (6, 3452243), (19, 1090182), (38, 545091), (57, 363394), (73, 283746), (114, 181697), (131, 158118), (146, 141873), (219, 94582), (262, 79059), (361, 57378), (393, 52706), (438, 47291), (722, 28689), (786, 26353), (1083, 19126), (1387, 14934), (2166, 9563), (2489, 8322), (2774, 7467), (4161, 4978)]