20155920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83983}}^1$

素因数の和:83999

約数の個数: 40

約数和(自身を含む): 62484096

約数和(自身を除く): 42328176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 83983, 167966, 251949, 335932, 419915, 503898, 671864, 839830, 1007796, 1259745, 1343728, 1679660, 2015592, 2519490, 3359320, 4031184, 5038980, 6718640, 10077960, 20155920]

約数ペア:

[(1, 20155920), (2, 10077960), (3, 6718640), (4, 5038980), (5, 4031184), (6, 3359320), (8, 2519490), (10, 2015592), (12, 1679660), (15, 1343728), (16, 1259745), (20, 1007796), (24, 839830), (30, 671864), (40, 503898), (48, 419915), (60, 335932), (80, 251949), (120, 167966), (240, 83983)]