20713896

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:655

約数の個数: 96

約数和(自身を含む): 65108160

約数和(自身を除く): 44394264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 73, 84, 126, 146, 168, 219, 252, 292, 438, 504, 511, 563, 584, 657, 876, 1022, 1126, 1314, 1533, 1689, 1752, 2044, 2252, 2628, 3066, 3378, 3941, 4088, 4504, 4599, 5067, 5256, 6132, 6756, 7882, 9198, 10134, 11823, 12264, 13512, 15764, 18396, 20268, 23646, 31528, 35469, 36792, 40536, 41099, 47292, 70938, 82198, 94584, 123297, 141876, 164396, 246594, 283752, 287693, 328792, 369891, 493188, 575386, 739782, 863079, 986376, 1150772, 1479564, 1726158, 2301544, 2589237, 2959128, 3452316, 5178474, 6904632, 10356948, 20713896]

約数ペア:

[(1, 20713896), (2, 10356948), (3, 6904632), (4, 5178474), (6, 3452316), (7, 2959128), (8, 2589237), (9, 2301544), (12, 1726158), (14, 1479564), (18, 1150772), (21, 986376), (24, 863079), (28, 739782), (36, 575386), (42, 493188), (56, 369891), (63, 328792), (72, 287693), (73, 283752), (84, 246594), (126, 164396), (146, 141876), (168, 123297), (219, 94584), (252, 82198), (292, 70938), (438, 47292), (504, 41099), (511, 40536), (563, 36792), (584, 35469), (657, 31528), (876, 23646), (1022, 20268), (1126, 18396), (1314, 15764), (1533, 13512), (1689, 12264), (1752, 11823), (2044, 10134), (2252, 9198), (2628, 7882), (3066, 6756), (3378, 6132), (3941, 5256), (4088, 5067), (4504, 4599)]