20436115

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 29952000

約数和(自身を除く): 9515885

約数列:

[1, 5, 7, 19, 35, 79, 95, 133, 389, 395, 553, 665, 1501, 1945, 2723, 2765, 7391, 7505, 10507, 13615, 30731, 36955, 51737, 52535, 153655, 215117, 258685, 583889, 1075585, 2919445, 4087223, 20436115]

約数ペア:

[(1, 20436115), (5, 4087223), (7, 2919445), (19, 1075585), (35, 583889), (79, 258685), (95, 215117), (133, 153655), (389, 52535), (395, 51737), (553, 36955), (665, 30731), (1501, 13615), (1945, 10507), (2723, 7505), (2765, 7391)]