20078340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2053}}^1$

素因数の和:2228

約数の個数: 48

約数和(自身を含む): 56591808

約数和(自身を除く): 36513468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2053, 2445, 3260, 4106, 4890, 6159, 8212, 9780, 10265, 12318, 20530, 24636, 30795, 41060, 61590, 123180, 334639, 669278, 1003917, 1338556, 1673195, 2007834, 3346390, 4015668, 5019585, 6692780, 10039170, 20078340]

約数ペア:

[(1, 20078340), (2, 10039170), (3, 6692780), (4, 5019585), (5, 4015668), (6, 3346390), (10, 2007834), (12, 1673195), (15, 1338556), (20, 1003917), (30, 669278), (60, 334639), (163, 123180), (326, 61590), (489, 41060), (652, 30795), (815, 24636), (978, 20530), (1630, 12318), (1956, 10265), (2053, 9780), (2445, 8212), (3260, 6159), (4106, 4890)]