20923864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10589}}^1$

素因数の和:10627

約数の個数: 32

約数和(自身を含む): 44478000

約数和(自身を除く): 23554136

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10589, 21178, 42356, 84712, 137657, 201191, 275314, 402382, 550628, 804764, 1101256, 1609528, 2615483, 5230966, 10461932, 20923864]

約数ペア:

[(1, 20923864), (2, 10461932), (4, 5230966), (8, 2615483), (13, 1609528), (19, 1101256), (26, 804764), (38, 550628), (52, 402382), (76, 275314), (104, 201191), (152, 137657), (247, 84712), (494, 42356), (988, 21178), (1976, 10589)]