20189093386

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{645803}}^1$

素因数の和:645859

約数の個数: 48

約数和(自身を含む): 39755694240

約数和(自身を除く): 19566600854

約数列:

[1, 2, 7, 11, 14, 22, 29, 49, 58, 77, 98, 154, 203, 319, 406, 539, 638, 1078, 1421, 2233, 2842, 4466, 15631, 31262, 645803, 1291606, 4520621, 7103833, 9041242, 14207666, 18728287, 31644347, 37456574, 49726831, 63288694, 99453662, 131098009, 206011157, 262196018, 348087817, 412022314, 696175634, 917686063, 1442078099, 1835372126, 2884156198, 10094546693, 20189093386]

約数ペア:

[(1, 20189093386), (2, 10094546693), (7, 2884156198), (11, 1835372126), (14, 1442078099), (22, 917686063), (29, 696175634), (49, 412022314), (58, 348087817), (77, 262196018), (98, 206011157), (154, 131098009), (203, 99453662), (319, 63288694), (406, 49726831), (539, 37456574), (638, 31644347), (1078, 18728287), (1421, 14207666), (2233, 9041242), (2842, 7103833), (4466, 4520621), (15631, 1291606), (31262, 645803)]