20160977814

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 46271554560

約数和(自身を除く): 26110576746

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 131, 137, 142, 213, 262, 274, 293, 393, 411, 426, 586, 639, 786, 822, 879, 1179, 1233, 1278, 1758, 1917, 2358, 2466, 2637, 3537, 3699, 3834, 5274, 7074, 7398, 7911, 9301, 9727, 15822, 17947, 18602, 19454, 20803, 27903, 29181, 35894, 38383, 40141, 41606, 53841, 55806, 58362, 62409, 76766, 80282, 83709, 87543, 107682, 115149, 120423, 124818, 161523, 167418, 175086, 187227, 230298, 240846, 251127, 262629, 323046, 345447, 361269, 374454, 484569, 502254, 525258, 561681, 690894, 722538, 969138, 1036341, 1083807, 1123362, 1274237, 2072682, 2167614, 2548474, 2725193, 2850011, 3822711, 5258471, 5450386, 5700022, 7645422, 8175579, 8550033, 10516942, 11468133, 15775413, 16351158, 17100066, 22936266, 24526737, 25650099, 31550826, 34404399, 47326239, 49053474, 51300198, 68808798, 73580211, 76950297, 94652478, 141978717, 147160422, 153900594, 283957434, 373351441, 746702882, 1120054323, 2240108646, 3360162969, 6720325938, 10080488907, 20160977814]

約数ペア:

[(1, 20160977814), (2, 10080488907), (3, 6720325938), (6, 3360162969), (9, 2240108646), (18, 1120054323), (27, 746702882), (54, 373351441), (71, 283957434), (131, 153900594), (137, 147160422), (142, 141978717), (213, 94652478), (262, 76950297), (274, 73580211), (293, 68808798), (393, 51300198), (411, 49053474), (426, 47326239), (586, 34404399), (639, 31550826), (786, 25650099), (822, 24526737), (879, 22936266), (1179, 17100066), (1233, 16351158), (1278, 15775413), (1758, 11468133), (1917, 10516942), (2358, 8550033), (2466, 8175579), (2637, 7645422), (3537, 5700022), (3699, 5450386), (3834, 5258471), (5274, 3822711), (7074, 2850011), (7398, 2725193), (7911, 2548474), (9301, 2167614), (9727, 2072682), (15822, 1274237), (17947, 1123362), (18602, 1083807), (19454, 1036341), (20803, 969138), (27903, 722538), (29181, 690894), (35894, 561681), (38383, 525258), (40141, 502254), (41606, 484569), (53841, 374454), (55806, 361269), (58362, 345447), (62409, 323046), (76766, 262629), (80282, 251127), (83709, 240846), (87543, 230298), (107682, 187227), (115149, 175086), (120423, 167418), (124818, 161523)]