20163496905

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:791

約数の個数: 96

約数和(自身を含む): 36168612480

約数和(自身を除く): 16005115575

約数列:

[1, 3, 5, 9, 15, 45, 67, 89, 163, 201, 267, 335, 445, 461, 489, 603, 801, 815, 1005, 1335, 1383, 1467, 2305, 2445, 3015, 4005, 4149, 5963, 6915, 7335, 10921, 14507, 17889, 20745, 29815, 30887, 32763, 41029, 43521, 53667, 54605, 72535, 75143, 89445, 92661, 98289, 123087, 130563, 154435, 163815, 205145, 217605, 225429, 268335, 277983, 369261, 375715, 463305, 491445, 615435, 652815, 676287, 971969, 1127145, 1389915, 1846305, 2748943, 2915907, 3381435, 4859845, 5034581, 6687727, 8246829, 8747721, 13744715, 14579535, 15103743, 20063181, 24740487, 25172905, 33438635, 41234145, 43738605, 45311229, 60189543, 75518715, 100315905, 123702435, 226556145, 300947715, 448077709, 1344233127, 2240388545, 4032699381, 6721165635, 20163496905]

約数ペア:

[(1, 20163496905), (3, 6721165635), (5, 4032699381), (9, 2240388545), (15, 1344233127), (45, 448077709), (67, 300947715), (89, 226556145), (163, 123702435), (201, 100315905), (267, 75518715), (335, 60189543), (445, 45311229), (461, 43738605), (489, 41234145), (603, 33438635), (801, 25172905), (815, 24740487), (1005, 20063181), (1335, 15103743), (1383, 14579535), (1467, 13744715), (2305, 8747721), (2445, 8246829), (3015, 6687727), (4005, 5034581), (4149, 4859845), (5963, 3381435), (6915, 2915907), (7335, 2748943), (10921, 1846305), (14507, 1389915), (17889, 1127145), (20745, 971969), (29815, 676287), (30887, 652815), (32763, 615435), (41029, 491445), (43521, 463305), (53667, 375715), (54605, 369261), (72535, 277983), (75143, 268335), (89445, 225429), (92661, 217605), (98289, 205145), (123087, 163815), (130563, 154435)]