20867630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1151}}^1$

素因数の和:1209

約数の個数: 48

約数和(自身を含む): 44914176

約数和(自身を除く): 24046546

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 1151, 1295, 1813, 2302, 2590, 3626, 5755, 8057, 9065, 11510, 16114, 18130, 40285, 42587, 56399, 80570, 85174, 112798, 212935, 281995, 298109, 425870, 563990, 596218, 1490545, 2086763, 2981090, 4173526, 10433815, 20867630]

約数ペア:

[(1, 20867630), (2, 10433815), (5, 4173526), (7, 2981090), (10, 2086763), (14, 1490545), (35, 596218), (37, 563990), (49, 425870), (70, 298109), (74, 281995), (98, 212935), (185, 112798), (245, 85174), (259, 80570), (370, 56399), (490, 42587), (518, 40285), (1151, 18130), (1295, 16114), (1813, 11510), (2302, 9065), (2590, 8057), (3626, 5755)]