20199366854

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1\times {\mathrm{461}}^1\times {\mathrm{569}}^1$

素因数の和:1448

約数の個数: 32

約数和(自身を含む): 30747578400

約数和(自身を除く): 10548211546

約数列:

[1, 2, 139, 277, 278, 461, 554, 569, 922, 1138, 38503, 64079, 77006, 79091, 127697, 128158, 157613, 158182, 255394, 262309, 315226, 524618, 17749883, 21908207, 35499766, 36460951, 43816414, 72659593, 72921902, 145319186, 10099683427, 20199366854]

約数ペア:

[(1, 20199366854), (2, 10099683427), (139, 145319186), (277, 72921902), (278, 72659593), (461, 43816414), (554, 36460951), (569, 35499766), (922, 21908207), (1138, 17749883), (38503, 524618), (64079, 315226), (77006, 262309), (79091, 255394), (127697, 158182), (128158, 157613)]