20269410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 55959552

約数和(自身を除く): 35690142

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 263, 367, 526, 734, 789, 1101, 1315, 1578, 1835, 1841, 2202, 2569, 2630, 3670, 3682, 3945, 5138, 5505, 5523, 7707, 7890, 9205, 11010, 11046, 12845, 15414, 18410, 25690, 27615, 38535, 55230, 77070, 96521, 193042, 289563, 482605, 579126, 675647, 965210, 1351294, 1447815, 2026941, 2895630, 3378235, 4053882, 6756470, 10134705, 20269410]

約数ペア:

[(1, 20269410), (2, 10134705), (3, 6756470), (5, 4053882), (6, 3378235), (7, 2895630), (10, 2026941), (14, 1447815), (15, 1351294), (21, 965210), (30, 675647), (35, 579126), (42, 482605), (70, 289563), (105, 193042), (210, 96521), (263, 77070), (367, 55230), (526, 38535), (734, 27615), (789, 25690), (1101, 18410), (1315, 15414), (1578, 12845), (1835, 11046), (1841, 11010), (2202, 9205), (2569, 7890), (2630, 7707), (3670, 5523), (3682, 5505), (3945, 5138)]