20909280002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{196771}}^1$

素因数の和:196914

約数の個数: 32

約数和(自身を含む): 34842811584

約数和(自身を除く): 13933531582

約数列:

[1, 2, 13, 26, 61, 67, 122, 134, 793, 871, 1586, 1742, 4087, 8174, 53131, 106262, 196771, 393542, 2558023, 5116046, 12003031, 13183657, 24006062, 26367314, 156039403, 171387541, 312078806, 342775082, 804203077, 1608406154, 10454640001, 20909280002]

約数ペア:

[(1, 20909280002), (2, 10454640001), (13, 1608406154), (26, 804203077), (61, 342775082), (67, 312078806), (122, 171387541), (134, 156039403), (793, 26367314), (871, 24006062), (1586, 13183657), (1742, 12003031), (4087, 5116046), (8174, 2558023), (53131, 393542), (106262, 196771)]