20385414

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:370

約数の個数: 96

約数和(自身を含む): 55351296

約数和(自身を除く): 34965882

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 31, 34, 42, 51, 62, 63, 93, 102, 119, 126, 153, 186, 217, 238, 279, 306, 307, 357, 434, 527, 558, 614, 651, 714, 921, 1054, 1071, 1302, 1581, 1842, 1953, 2142, 2149, 2763, 3162, 3689, 3906, 4298, 4743, 5219, 5526, 6447, 7378, 9486, 9517, 10438, 11067, 12894, 15657, 19034, 19341, 22134, 28551, 31314, 33201, 36533, 38682, 46971, 57102, 66402, 66619, 73066, 85653, 93942, 109599, 133238, 161789, 171306, 199857, 219198, 323578, 328797, 399714, 485367, 599571, 657594, 970734, 1132523, 1199142, 1456101, 2265046, 2912202, 3397569, 6795138, 10192707, 20385414]

約数ペア:

[(1, 20385414), (2, 10192707), (3, 6795138), (6, 3397569), (7, 2912202), (9, 2265046), (14, 1456101), (17, 1199142), (18, 1132523), (21, 970734), (31, 657594), (34, 599571), (42, 485367), (51, 399714), (62, 328797), (63, 323578), (93, 219198), (102, 199857), (119, 171306), (126, 161789), (153, 133238), (186, 109599), (217, 93942), (238, 85653), (279, 73066), (306, 66619), (307, 66402), (357, 57102), (434, 46971), (527, 38682), (558, 36533), (614, 33201), (651, 31314), (714, 28551), (921, 22134), (1054, 19341), (1071, 19034), (1302, 15657), (1581, 12894), (1842, 11067), (1953, 10438), (2142, 9517), (2149, 9486), (2763, 7378), (3162, 6447), (3689, 5526), (3906, 5219), (4298, 4743)]