20748720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86453}}^1$

素因数の和:86469

約数の個数: 40

約数和(自身を含む): 64321776

約数和(自身を除く): 43573056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86453, 172906, 259359, 345812, 432265, 518718, 691624, 864530, 1037436, 1296795, 1383248, 1729060, 2074872, 2593590, 3458120, 4149744, 5187180, 6916240, 10374360, 20748720]

約数ペア:

[(1, 20748720), (2, 10374360), (3, 6916240), (4, 5187180), (5, 4149744), (6, 3458120), (8, 2593590), (10, 2074872), (12, 1729060), (15, 1383248), (16, 1296795), (20, 1037436), (24, 864530), (30, 691624), (40, 518718), (48, 432265), (60, 345812), (80, 259359), (120, 172906), (240, 86453)]