20894670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1297}}^1$

素因数の和:1489

約数の個数: 48

約数和(自身を含む): 54671760

約数和(自身を除く): 33777090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 179, 358, 537, 895, 1074, 1297, 1611, 1790, 2594, 2685, 3222, 3891, 5370, 6485, 7782, 8055, 11673, 12970, 16110, 19455, 23346, 38910, 58365, 116730, 232163, 464326, 696489, 1160815, 1392978, 2089467, 2321630, 3482445, 4178934, 6964890, 10447335, 20894670]

約数ペア:

[(1, 20894670), (2, 10447335), (3, 6964890), (5, 4178934), (6, 3482445), (9, 2321630), (10, 2089467), (15, 1392978), (18, 1160815), (30, 696489), (45, 464326), (90, 232163), (179, 116730), (358, 58365), (537, 38910), (895, 23346), (1074, 19455), (1297, 16110), (1611, 12970), (1790, 11673), (2594, 8055), (2685, 7782), (3222, 6485), (3891, 5370)]