20773688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10513}}^1$

素因数の和:10551

約数の個数: 32

約数和(自身を含む): 44158800

約数和(自身を除く): 23385112

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10513, 21026, 42052, 84104, 136669, 199747, 273338, 399494, 546676, 798988, 1093352, 1597976, 2596711, 5193422, 10386844, 20773688]

約数ペア:

[(1, 20773688), (2, 10386844), (4, 5193422), (8, 2596711), (13, 1597976), (19, 1093352), (26, 798988), (38, 546676), (52, 399494), (76, 273338), (104, 199747), (152, 136669), (247, 84104), (494, 42052), (988, 21026), (1976, 10513)]