20197754878

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1453}}^1\times {\mathrm{1549}}^1$

素因数の和:3652

約数の個数: 32

約数和(自身を含む): 34725009600

約数和(自身を除く): 14527254722

約数列:

[1, 2, 7, 14, 641, 1282, 1453, 1549, 2906, 3098, 4487, 8974, 10171, 10843, 20342, 21686, 931373, 992909, 1862746, 1985818, 2250697, 4501394, 6519611, 6950363, 13039222, 13900726, 15754879, 31509758, 1442696777, 2885393554, 10098877439, 20197754878]

約数ペア:

[(1, 20197754878), (2, 10098877439), (7, 2885393554), (14, 1442696777), (641, 31509758), (1282, 15754879), (1453, 13900726), (1549, 13039222), (2906, 6950363), (3098, 6519611), (4487, 4501394), (8974, 2250697), (10171, 1985818), (10843, 1862746), (20342, 992909), (21686, 931373)]