13908020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2423}}^1$

素因数の和:2480

約数の個数: 48

約数和(自身を含む): 34207488

約数和(自身を除く): 20299468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2423, 2870, 4846, 5740, 9692, 12115, 16961, 24230, 33922, 48460, 67844, 84805, 99343, 169610, 198686, 339220, 397372, 496715, 695401, 993430, 1390802, 1986860, 2781604, 3477005, 6954010, 13908020]

約数ペア:

[(1, 13908020), (2, 6954010), (4, 3477005), (5, 2781604), (7, 1986860), (10, 1390802), (14, 993430), (20, 695401), (28, 496715), (35, 397372), (41, 339220), (70, 198686), (82, 169610), (140, 99343), (164, 84805), (205, 67844), (287, 48460), (410, 33922), (574, 24230), (820, 16961), (1148, 12115), (1435, 9692), (2423, 5740), (2870, 4846)]