20218649464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{4621}}^1\times {\mathrm{42071}}^1$

素因数の和:46711

約数の個数: 32

約数和(自身を含む): 40835924640

約数和(自身を除く): 20617275176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 4621, 9242, 18484, 36968, 42071, 60073, 84142, 120146, 168284, 240292, 336568, 480584, 546923, 1093846, 2187692, 4375384, 194410091, 388820182, 777640364, 1555280728, 2527331183, 5054662366, 10109324732, 20218649464]

約数ペア:

[(1, 20218649464), (2, 10109324732), (4, 5054662366), (8, 2527331183), (13, 1555280728), (26, 777640364), (52, 388820182), (104, 194410091), (4621, 4375384), (9242, 2187692), (18484, 1093846), (36968, 546923), (42071, 480584), (60073, 336568), (84142, 240292), (120146, 168284)]