20389668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4507}}^1$

素因数の和:4556

約数の個数: 48

約数和(自身を含む): 53014080

約数和(自身を除く): 32624412

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4507, 4524, 9014, 13521, 18028, 27042, 54084, 58591, 117182, 130703, 175773, 234364, 261406, 351546, 392109, 522812, 703092, 784218, 1568436, 1699139, 3398278, 5097417, 6796556, 10194834, 20389668]

約数ペア:

[(1, 20389668), (2, 10194834), (3, 6796556), (4, 5097417), (6, 3398278), (12, 1699139), (13, 1568436), (26, 784218), (29, 703092), (39, 522812), (52, 392109), (58, 351546), (78, 261406), (87, 234364), (116, 175773), (156, 130703), (174, 117182), (348, 58591), (377, 54084), (754, 27042), (1131, 18028), (1508, 13521), (2262, 9014), (4507, 4524)]