20016018

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 50135040

約数和(自身を除く): 30119022

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 31, 33, 54, 62, 66, 93, 99, 186, 198, 279, 297, 341, 558, 594, 682, 837, 1023, 1087, 1674, 2046, 2174, 3069, 3261, 6138, 6522, 9207, 9783, 11957, 18414, 19566, 23914, 29349, 33697, 35871, 58698, 67394, 71742, 101091, 107613, 202182, 215226, 303273, 322839, 370667, 606546, 645678, 741334, 909819, 1112001, 1819638, 2224002, 3336003, 6672006, 10008009, 20016018]

約数ペア:

[(1, 20016018), (2, 10008009), (3, 6672006), (6, 3336003), (9, 2224002), (11, 1819638), (18, 1112001), (22, 909819), (27, 741334), (31, 645678), (33, 606546), (54, 370667), (62, 322839), (66, 303273), (93, 215226), (99, 202182), (186, 107613), (198, 101091), (279, 71742), (297, 67394), (341, 58698), (558, 35871), (594, 33697), (682, 29349), (837, 23914), (1023, 19566), (1087, 18414), (1674, 11957), (2046, 9783), (2174, 9207), (3069, 6522), (3261, 6138)]