20766860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 25935796

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 593, 1030, 1186, 1751, 2060, 2372, 2965, 3502, 5930, 7004, 8755, 10081, 11860, 17510, 20162, 35020, 40324, 50405, 61079, 100810, 122158, 201620, 244316, 305395, 610790, 1038343, 1221580, 2076686, 4153372, 5191715, 10383430, 20766860]

約数ペア:

[(1, 20766860), (2, 10383430), (4, 5191715), (5, 4153372), (10, 2076686), (17, 1221580), (20, 1038343), (34, 610790), (68, 305395), (85, 244316), (103, 201620), (170, 122158), (206, 100810), (340, 61079), (412, 50405), (515, 40324), (593, 35020), (1030, 20162), (1186, 17510), (1751, 11860), (2060, 10081), (2372, 8755), (2965, 7004), (3502, 5930)]