20607594

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 28640406

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 89, 111, 149, 178, 222, 259, 267, 298, 447, 518, 534, 623, 777, 894, 1043, 1246, 1554, 1869, 2086, 3129, 3293, 3738, 5513, 6258, 6586, 9879, 11026, 13261, 16539, 19758, 23051, 26522, 33078, 38591, 39783, 46102, 69153, 77182, 79566, 92827, 115773, 138306, 185654, 231546, 278481, 490657, 556962, 981314, 1471971, 2943942, 3434599, 6869198, 10303797, 20607594]

約数ペア:

[(1, 20607594), (2, 10303797), (3, 6869198), (6, 3434599), (7, 2943942), (14, 1471971), (21, 981314), (37, 556962), (42, 490657), (74, 278481), (89, 231546), (111, 185654), (149, 138306), (178, 115773), (222, 92827), (259, 79566), (267, 77182), (298, 69153), (447, 46102), (518, 39783), (534, 38591), (623, 33078), (777, 26522), (894, 23051), (1043, 19758), (1246, 16539), (1554, 13261), (1869, 11026), (2086, 9879), (3129, 6586), (3293, 6258), (3738, 5513)]