20453460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7253}}^1$

素因数の和:7312

約数の個数: 48

約数和(自身を含む): 58496256

約数和(自身を除く): 38042796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7253, 14506, 21759, 29012, 36265, 43518, 72530, 87036, 108795, 145060, 217590, 340891, 435180, 681782, 1022673, 1363564, 1704455, 2045346, 3408910, 4090692, 5113365, 6817820, 10226730, 20453460]

約数ペア:

[(1, 20453460), (2, 10226730), (3, 6817820), (4, 5113365), (5, 4090692), (6, 3408910), (10, 2045346), (12, 1704455), (15, 1363564), (20, 1022673), (30, 681782), (47, 435180), (60, 340891), (94, 217590), (141, 145060), (188, 108795), (235, 87036), (282, 72530), (470, 43518), (564, 36265), (705, 29012), (940, 21759), (1410, 14506), (2820, 7253)]