20253258

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 45467136

約数和(自身を除く): 25213878

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 137, 191, 258, 274, 382, 387, 411, 573, 774, 822, 1146, 1233, 1719, 2466, 3438, 5891, 8213, 11782, 16426, 17673, 24639, 26167, 35346, 49278, 52334, 53019, 73917, 78501, 106038, 147834, 157002, 235503, 471006, 1125181, 2250362, 3375543, 6751086, 10126629, 20253258]

約数ペア:

[(1, 20253258), (2, 10126629), (3, 6751086), (6, 3375543), (9, 2250362), (18, 1125181), (43, 471006), (86, 235503), (129, 157002), (137, 147834), (191, 106038), (258, 78501), (274, 73917), (382, 53019), (387, 52334), (411, 49278), (573, 35346), (774, 26167), (822, 24639), (1146, 17673), (1233, 16426), (1719, 11782), (2466, 8213), (3438, 5891)]