20170158636

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1\times {\mathrm{20549}}^1$

素因数の和:21234

約数の個数: 48

約数和(自身を含む): 47456690400

約数和(自身を除く): 27286531764

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 521, 628, 942, 1042, 1563, 1884, 2084, 3126, 6252, 20549, 41098, 61647, 81797, 82196, 123294, 163594, 245391, 246588, 327188, 490782, 981564, 3226193, 6452386, 9678579, 10706029, 12904772, 19357158, 21412058, 32118087, 38714316, 42824116, 64236174, 128472348, 1680846553, 3361693106, 5042539659, 6723386212, 10085079318, 20170158636]

約数ペア:

[(1, 20170158636), (2, 10085079318), (3, 6723386212), (4, 5042539659), (6, 3361693106), (12, 1680846553), (157, 128472348), (314, 64236174), (471, 42824116), (521, 38714316), (628, 32118087), (942, 21412058), (1042, 19357158), (1563, 12904772), (1884, 10706029), (2084, 9678579), (3126, 6452386), (6252, 3226193), (20549, 981564), (41098, 490782), (61647, 327188), (81797, 246588), (82196, 245391), (123294, 163594)]