20557920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42829}}^1$

素因数の和:42847

約数の個数: 48

約数和(自身を含む): 64758960

約数和(自身を除く): 44201040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42829, 85658, 128487, 171316, 214145, 256974, 342632, 428290, 513948, 642435, 685264, 856580, 1027896, 1284870, 1370528, 1713160, 2055792, 2569740, 3426320, 4111584, 5139480, 6852640, 10278960, 20557920]

約数ペア:

[(1, 20557920), (2, 10278960), (3, 6852640), (4, 5139480), (5, 4111584), (6, 3426320), (8, 2569740), (10, 2055792), (12, 1713160), (15, 1370528), (16, 1284870), (20, 1027896), (24, 856580), (30, 685264), (32, 642435), (40, 513948), (48, 428290), (60, 342632), (80, 256974), (96, 214145), (120, 171316), (160, 128487), (240, 85658), (480, 42829)]