20244140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6287}}^1$

素因数の和:6326

約数の個数: 48

約数和(自身を含む): 50706432

約数和(自身を除く): 30462292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 6287, 12574, 25148, 31435, 44009, 62870, 88018, 125740, 144601, 176036, 220045, 289202, 440090, 578404, 723005, 880180, 1012207, 1446010, 2024414, 2892020, 4048828, 5061035, 10122070, 20244140]

約数ペア:

[(1, 20244140), (2, 10122070), (4, 5061035), (5, 4048828), (7, 2892020), (10, 2024414), (14, 1446010), (20, 1012207), (23, 880180), (28, 723005), (35, 578404), (46, 440090), (70, 289202), (92, 220045), (115, 176036), (140, 144601), (161, 125740), (230, 88018), (322, 62870), (460, 44009), (644, 31435), (805, 25148), (1610, 12574), (3220, 6287)]