20195849830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11950207}}^1$

素因数の和:11950240

約数の個数: 24

約数和(自身を含む): 39363985152

約数和(自身を除く): 19168135322

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11950207, 23900414, 59751035, 119502070, 155352691, 310705382, 776763455, 1553526910, 2019584983, 4039169966, 10097924915, 20195849830]

約数ペア:

[(1, 20195849830), (2, 10097924915), (5, 4039169966), (10, 2019584983), (13, 1553526910), (26, 776763455), (65, 310705382), (130, 155352691), (169, 119502070), (338, 59751035), (845, 23900414), (1690, 11950207)]