20005968596

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 35682307920

約数和(自身を除く): 15676339324

約数列:

[1, 2, 4, 89, 178, 353, 356, 397, 401, 706, 794, 802, 1412, 1588, 1604, 31417, 35333, 35689, 62834, 70666, 71378, 125668, 140141, 141332, 141553, 142756, 159197, 280282, 283106, 318394, 560564, 566212, 636788, 12472549, 12598217, 14168533, 24945098, 25196434, 28337066, 49890196, 50392868, 56196541, 56674132, 112393082, 224786164, 5001492149, 10002984298, 20005968596]

約数ペア:

[(1, 20005968596), (2, 10002984298), (4, 5001492149), (89, 224786164), (178, 112393082), (353, 56674132), (356, 56196541), (397, 50392868), (401, 49890196), (706, 28337066), (794, 25196434), (802, 24945098), (1412, 14168533), (1588, 12598217), (1604, 12472549), (31417, 636788), (35333, 566212), (35689, 560564), (62834, 318394), (70666, 283106), (71378, 280282), (125668, 159197), (140141, 142756), (141332, 141553)]