20320338

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 45505152

約数和(自身を除く): 25184814

約数列:

[1, 2, 3, 6, 17, 34, 41, 43, 51, 82, 86, 102, 113, 123, 129, 226, 246, 258, 339, 678, 697, 731, 1394, 1462, 1763, 1921, 2091, 2193, 3526, 3842, 4182, 4386, 4633, 4859, 5289, 5763, 9266, 9718, 10578, 11526, 13899, 14577, 27798, 29154, 29971, 59942, 78761, 82603, 89913, 157522, 165206, 179826, 199219, 236283, 247809, 398438, 472566, 495618, 597657, 1195314, 3386723, 6773446, 10160169, 20320338]

約数ペア:

[(1, 20320338), (2, 10160169), (3, 6773446), (6, 3386723), (17, 1195314), (34, 597657), (41, 495618), (43, 472566), (51, 398438), (82, 247809), (86, 236283), (102, 199219), (113, 179826), (123, 165206), (129, 157522), (226, 89913), (246, 82603), (258, 78761), (339, 59942), (678, 29971), (697, 29154), (731, 27798), (1394, 14577), (1462, 13899), (1763, 11526), (1921, 10578), (2091, 9718), (2193, 9266), (3526, 5763), (3842, 5289), (4182, 4859), (4386, 4633)]