20877330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 32206830

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 79, 115, 138, 158, 230, 237, 345, 383, 395, 474, 690, 766, 790, 1149, 1185, 1817, 1915, 2298, 2370, 3634, 3830, 5451, 5745, 8809, 9085, 10902, 11490, 17618, 18170, 26427, 27255, 30257, 44045, 52854, 54510, 60514, 88090, 90771, 132135, 151285, 181542, 264270, 302570, 453855, 695911, 907710, 1391822, 2087733, 3479555, 4175466, 6959110, 10438665, 20877330]

約数ペア:

[(1, 20877330), (2, 10438665), (3, 6959110), (5, 4175466), (6, 3479555), (10, 2087733), (15, 1391822), (23, 907710), (30, 695911), (46, 453855), (69, 302570), (79, 264270), (115, 181542), (138, 151285), (158, 132135), (230, 90771), (237, 88090), (345, 60514), (383, 54510), (395, 52854), (474, 44045), (690, 30257), (766, 27255), (790, 26427), (1149, 18170), (1185, 17618), (1817, 11490), (1915, 10902), (2298, 9085), (2370, 8809), (3634, 5745), (3830, 5451)]