20317458

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2383}}^1$

素因数の和:2431

約数の個数: 48

約数和(自身を含む): 48919680

約数和(自身を除く): 28602222

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 49, 58, 87, 98, 147, 174, 203, 294, 406, 609, 1218, 1421, 2383, 2842, 4263, 4766, 7149, 8526, 14298, 16681, 33362, 50043, 69107, 100086, 116767, 138214, 207321, 233534, 350301, 414642, 483749, 700602, 967498, 1451247, 2902494, 3386243, 6772486, 10158729, 20317458]

約数ペア:

[(1, 20317458), (2, 10158729), (3, 6772486), (6, 3386243), (7, 2902494), (14, 1451247), (21, 967498), (29, 700602), (42, 483749), (49, 414642), (58, 350301), (87, 233534), (98, 207321), (147, 138214), (174, 116767), (203, 100086), (294, 69107), (406, 50043), (609, 33362), (1218, 16681), (1421, 14298), (2383, 8526), (2842, 7149), (4263, 4766)]