20562720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42839}}^1$

素因数の和:42857

約数の個数: 48

約数和(自身を含む): 64774080

約数和(自身を除く): 44211360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42839, 85678, 128517, 171356, 214195, 257034, 342712, 428390, 514068, 642585, 685424, 856780, 1028136, 1285170, 1370848, 1713560, 2056272, 2570340, 3427120, 4112544, 5140680, 6854240, 10281360, 20562720]

約数ペア:

[(1, 20562720), (2, 10281360), (3, 6854240), (4, 5140680), (5, 4112544), (6, 3427120), (8, 2570340), (10, 2056272), (12, 1713560), (15, 1370848), (16, 1285170), (20, 1028136), (24, 856780), (30, 685424), (32, 642585), (40, 514068), (48, 428390), (60, 342712), (80, 257034), (96, 214195), (120, 171356), (160, 128517), (240, 85678), (480, 42839)]