20157541185

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1\times {\mathrm{58711}}^1$

素因数の和:59253

約数の個数: 32

約数和(自身を含む): 33006477312

約数和(自身を除く): 12848936127

約数列:

[1, 3, 5, 15, 47, 141, 235, 487, 705, 1461, 2435, 7305, 22889, 58711, 68667, 114445, 176133, 293555, 343335, 880665, 2759417, 8278251, 13797085, 28592257, 41391255, 85776771, 142961285, 428883855, 1343836079, 4031508237, 6719180395, 20157541185]

約数ペア:

[(1, 20157541185), (3, 6719180395), (5, 4031508237), (15, 1343836079), (47, 428883855), (141, 142961285), (235, 85776771), (487, 41391255), (705, 28592257), (1461, 13797085), (2435, 8278251), (7305, 2759417), (22889, 880665), (58711, 343335), (68667, 293555), (114445, 176133)]