20123667760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1201}}^1\times {\mathrm{29921}}^1$

素因数の和:31142

約数の個数: 80

約数和(自身を含む): 53517771072

約数和(自身を除く): 33394103312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1201, 2402, 4804, 6005, 8407, 9608, 12010, 16814, 19216, 24020, 29921, 33628, 42035, 48040, 59842, 67256, 84070, 96080, 119684, 134512, 149605, 168140, 209447, 239368, 299210, 336280, 418894, 478736, 598420, 672560, 837788, 1047235, 1196840, 1675576, 2094470, 2393680, 3351152, 4188940, 8377880, 16755760, 35935121, 71870242, 143740484, 179675605, 251545847, 287480968, 359351210, 503091694, 574961936, 718702420, 1006183388, 1257729235, 1437404840, 2012366776, 2515458470, 2874809680, 4024733552, 5030916940, 10061833880, 20123667760]

約数ペア:

[(1, 20123667760), (2, 10061833880), (4, 5030916940), (5, 4024733552), (7, 2874809680), (8, 2515458470), (10, 2012366776), (14, 1437404840), (16, 1257729235), (20, 1006183388), (28, 718702420), (35, 574961936), (40, 503091694), (56, 359351210), (70, 287480968), (80, 251545847), (112, 179675605), (140, 143740484), (280, 71870242), (560, 35935121), (1201, 16755760), (2402, 8377880), (4804, 4188940), (6005, 3351152), (8407, 2393680), (9608, 2094470), (12010, 1675576), (16814, 1196840), (19216, 1047235), (24020, 837788), (29921, 672560), (33628, 598420), (42035, 478736), (48040, 418894), (59842, 336280), (67256, 299210), (84070, 239368), (96080, 209447), (119684, 168140), (134512, 149605)]