20450340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37871}}^1$

素因数の和:37889

約数の個数: 48

約数和(自身を含む): 63624960

約数和(自身を除く): 43174620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37871, 75742, 113613, 151484, 189355, 227226, 340839, 378710, 454452, 568065, 681678, 757420, 1022517, 1136130, 1363356, 1704195, 2045034, 2272260, 3408390, 4090068, 5112585, 6816780, 10225170, 20450340]

約数ペア:

[(1, 20450340), (2, 10225170), (3, 6816780), (4, 5112585), (5, 4090068), (6, 3408390), (9, 2272260), (10, 2045034), (12, 1704195), (15, 1363356), (18, 1136130), (20, 1022517), (27, 757420), (30, 681678), (36, 568065), (45, 454452), (54, 378710), (60, 340839), (90, 227226), (108, 189355), (135, 151484), (180, 113613), (270, 75742), (540, 37871)]