20082906

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:603

約数の個数: 48

約数和(自身を含む): 45676800

約数和(自身を除く): 25593894

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 79, 87, 158, 174, 237, 261, 474, 487, 522, 711, 974, 1422, 1461, 2291, 2922, 4383, 4582, 6873, 8766, 13746, 14123, 20619, 28246, 38473, 41238, 42369, 76946, 84738, 115419, 127107, 230838, 254214, 346257, 692514, 1115717, 2231434, 3347151, 6694302, 10041453, 20082906]

約数ペア:

[(1, 20082906), (2, 10041453), (3, 6694302), (6, 3347151), (9, 2231434), (18, 1115717), (29, 692514), (58, 346257), (79, 254214), (87, 230838), (158, 127107), (174, 115419), (237, 84738), (261, 76946), (474, 42369), (487, 41238), (522, 38473), (711, 28246), (974, 20619), (1422, 14123), (1461, 13746), (2291, 8766), (2922, 6873), (4383, 4582)]