20587020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1367}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 37328628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1367, 1506, 2510, 2734, 3012, 3765, 4101, 5020, 5468, 6835, 7530, 8202, 13670, 15060, 16404, 20505, 27340, 41010, 82020, 343117, 686234, 1029351, 1372468, 1715585, 2058702, 3431170, 4117404, 5146755, 6862340, 10293510, 20587020]

約数ペア:

[(1, 20587020), (2, 10293510), (3, 6862340), (4, 5146755), (5, 4117404), (6, 3431170), (10, 2058702), (12, 1715585), (15, 1372468), (20, 1029351), (30, 686234), (60, 343117), (251, 82020), (502, 41010), (753, 27340), (1004, 20505), (1255, 16404), (1367, 15060), (1506, 13670), (2510, 8202), (2734, 7530), (3012, 6835), (3765, 5468), (4101, 5020)]