20305290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9533}}^1$

素因数の和:9614

約数の個数: 32

約数和(自身を含む): 49424256

約数和(自身を除く): 29118966

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9533, 19066, 28599, 47665, 57198, 95330, 142995, 285990, 676843, 1353686, 2030529, 3384215, 4061058, 6768430, 10152645, 20305290]

約数ペア:

[(1, 20305290), (2, 10152645), (3, 6768430), (5, 4061058), (6, 3384215), (10, 2030529), (15, 1353686), (30, 676843), (71, 285990), (142, 142995), (213, 95330), (355, 57198), (426, 47665), (710, 28599), (1065, 19066), (2130, 9533)]