20199561296

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74263093}}^1$

素因数の和:74263118

約数の個数: 20

約数和(自身を含む): 41438806452

約数和(自身を除く): 21239245156

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74263093, 148526186, 297052372, 594104744, 1188209488, 1262472581, 2524945162, 5049890324, 10099780648, 20199561296]

約数ペア:

[(1, 20199561296), (2, 10099780648), (4, 5049890324), (8, 2524945162), (16, 1262472581), (17, 1188209488), (34, 594104744), (68, 297052372), (136, 148526186), (272, 74263093)]