20199347644

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1\times {\mathrm{18749}}^1$

素因数の和:19222

約数の個数: 48

約数和(自身を含む): 40887000000

約数和(自身を除く): 20687652356

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 353, 436, 706, 763, 1412, 1526, 2471, 3052, 4942, 9884, 18749, 37498, 38477, 74996, 76954, 131243, 153908, 262486, 269339, 524972, 538678, 1077356, 2043641, 4087282, 6618397, 8174564, 13236794, 14305487, 26473588, 28610974, 46328779, 57221948, 92657558, 185315116, 721405273, 1442810546, 2885621092, 5049836911, 10099673822, 20199347644]

約数ペア:

[(1, 20199347644), (2, 10099673822), (4, 5049836911), (7, 2885621092), (14, 1442810546), (28, 721405273), (109, 185315116), (218, 92657558), (353, 57221948), (436, 46328779), (706, 28610974), (763, 26473588), (1412, 14305487), (1526, 13236794), (2471, 8174564), (3052, 6618397), (4942, 4087282), (9884, 2043641), (18749, 1077356), (37498, 538678), (38477, 524972), (74996, 269339), (76954, 262486), (131243, 153908)]