20154127545

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1\times {\mathrm{1049}}^1$

素因数の和:2079

約数の個数: 96

約数和(自身を含む): 38447136000

約数和(自身を除く): 18293008455

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 977, 1035, 1049, 1311, 2185, 2931, 3147, 3933, 4885, 5245, 6555, 8793, 9441, 14655, 15735, 18563, 19665, 19931, 22471, 24127, 43965, 47205, 55689, 59793, 67413, 72381, 92815, 99655, 112355, 120635, 167067, 179379, 202239, 217143, 278445, 298965, 337065, 361905, 426949, 458413, 835335, 896895, 1011195, 1024873, 1085715, 1280847, 1375239, 2134745, 2292065, 3074619, 3842541, 4125717, 5124365, 6404235, 6876195, 9223857, 15373095, 19212705, 19472587, 20628585, 23572079, 46119285, 58417761, 70716237, 97362935, 117860395, 175253283, 212148711, 292088805, 353581185, 447869501, 876266415, 1060743555, 1343608503, 2239347505, 4030825509, 6718042515, 20154127545]

約数ペア:

[(1, 20154127545), (3, 6718042515), (5, 4030825509), (9, 2239347505), (15, 1343608503), (19, 1060743555), (23, 876266415), (45, 447869501), (57, 353581185), (69, 292088805), (95, 212148711), (115, 175253283), (171, 117860395), (207, 97362935), (285, 70716237), (345, 58417761), (437, 46119285), (855, 23572079), (977, 20628585), (1035, 19472587), (1049, 19212705), (1311, 15373095), (2185, 9223857), (2931, 6876195), (3147, 6404235), (3933, 5124365), (4885, 4125717), (5245, 3842541), (6555, 3074619), (8793, 2292065), (9441, 2134745), (14655, 1375239), (15735, 1280847), (18563, 1085715), (19665, 1024873), (19931, 1011195), (22471, 896895), (24127, 835335), (43965, 458413), (47205, 426949), (55689, 361905), (59793, 337065), (67413, 298965), (72381, 278445), (92815, 217143), (99655, 202239), (112355, 179379), (120635, 167067)]