20175146915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1\times {\mathrm{1301}}^1$

素因数の和:2228

約数の個数: 64

約数和(自身を含む): 30886023168

約数和(自身を除く): 10710876253

約数列:

[1, 5, 7, 11, 35, 47, 55, 77, 235, 329, 385, 517, 857, 1301, 1645, 2585, 3619, 4285, 5999, 6505, 9107, 9427, 14311, 18095, 29995, 40279, 45535, 47135, 61147, 65989, 71555, 100177, 201395, 281953, 305735, 329945, 428029, 443069, 500885, 672617, 1114957, 1409765, 2140145, 2215345, 3101483, 3363085, 4708319, 5574785, 7804699, 12264527, 15507415, 23541595, 39023495, 52402979, 61322635, 85851689, 262014895, 366820853, 429258445, 576432769, 1834104265, 2882163845, 4035029383, 20175146915]

約数ペア:

[(1, 20175146915), (5, 4035029383), (7, 2882163845), (11, 1834104265), (35, 576432769), (47, 429258445), (55, 366820853), (77, 262014895), (235, 85851689), (329, 61322635), (385, 52402979), (517, 39023495), (857, 23541595), (1301, 15507415), (1645, 12264527), (2585, 7804699), (3619, 5574785), (4285, 4708319), (5999, 3363085), (6505, 3101483), (9107, 2215345), (9427, 2140145), (14311, 1409765), (18095, 1114957), (29995, 672617), (40279, 500885), (45535, 443069), (47135, 428029), (61147, 329945), (65989, 305735), (71555, 281953), (100177, 201395)]