20269830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13789}}^1$

素因数の和:13813

約数の個数: 48

約数和(自身を含む): 56594160

約数和(自身を除く): 36324330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13789, 27578, 41367, 68945, 82734, 96523, 137890, 193046, 206835, 289569, 413670, 482615, 579138, 675661, 965230, 1351322, 1447845, 2026983, 2895690, 3378305, 4053966, 6756610, 10134915, 20269830]

約数ペア:

[(1, 20269830), (2, 10134915), (3, 6756610), (5, 4053966), (6, 3378305), (7, 2895690), (10, 2026983), (14, 1447845), (15, 1351322), (21, 965230), (30, 675661), (35, 579138), (42, 482615), (49, 413670), (70, 289569), (98, 206835), (105, 193046), (147, 137890), (210, 96523), (245, 82734), (294, 68945), (490, 41367), (735, 27578), (1470, 13789)]