20812666

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 16201094

約数列:

[1, 2, 7, 14, 41, 82, 101, 202, 287, 359, 574, 707, 718, 1414, 2513, 4141, 5026, 8282, 14719, 28987, 29438, 36259, 57974, 72518, 103033, 206066, 253813, 507626, 1486619, 2973238, 10406333, 20812666]

約数ペア:

[(1, 20812666), (2, 10406333), (7, 2973238), (14, 1486619), (41, 507626), (82, 253813), (101, 206066), (202, 103033), (287, 72518), (359, 57974), (574, 36259), (707, 29438), (718, 28987), (1414, 14719), (2513, 8282), (4141, 5026)]