20769450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10651}}^1$

素因数の和:10679

約数の個数: 48

約数和(自身を含む): 55475616

約数和(自身を除く): 34706166

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10651, 21302, 31953, 53255, 63906, 106510, 138463, 159765, 266275, 276926, 319530, 415389, 532550, 692315, 798825, 830778, 1384630, 1597650, 2076945, 3461575, 4153890, 6923150, 10384725, 20769450]

約数ペア:

[(1, 20769450), (2, 10384725), (3, 6923150), (5, 4153890), (6, 3461575), (10, 2076945), (13, 1597650), (15, 1384630), (25, 830778), (26, 798825), (30, 692315), (39, 532550), (50, 415389), (65, 319530), (75, 276926), (78, 266275), (130, 159765), (150, 138463), (195, 106510), (325, 63906), (390, 53255), (650, 31953), (975, 21302), (1950, 10651)]