20169884140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{158843}}^1$

素因数の和:159766

約数の個数: 48

約数和(自身を含む): 48461398272

約数和(自身を除く): 28291514132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 907, 1814, 3628, 4535, 6349, 9070, 12698, 18140, 25396, 31745, 63490, 126980, 158843, 317686, 635372, 794215, 1111901, 1588430, 2223802, 3176860, 4447604, 5559505, 11119010, 22238020, 144070601, 288141202, 576282404, 720353005, 1008494207, 1440706010, 2016988414, 2881412020, 4033976828, 5042471035, 10084942070, 20169884140]

約数ペア:

[(1, 20169884140), (2, 10084942070), (4, 5042471035), (5, 4033976828), (7, 2881412020), (10, 2016988414), (14, 1440706010), (20, 1008494207), (28, 720353005), (35, 576282404), (70, 288141202), (140, 144070601), (907, 22238020), (1814, 11119010), (3628, 5559505), (4535, 4447604), (6349, 3176860), (9070, 2223802), (12698, 1588430), (18140, 1111901), (25396, 794215), (31745, 635372), (63490, 317686), (126980, 158843)]