20790960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86629}}^1$

素因数の和:86645

約数の個数: 40

約数和(自身を含む): 64452720

約数和(自身を除く): 43661760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86629, 173258, 259887, 346516, 433145, 519774, 693032, 866290, 1039548, 1299435, 1386064, 1732580, 2079096, 2598870, 3465160, 4158192, 5197740, 6930320, 10395480, 20790960]

約数ペア:

[(1, 20790960), (2, 10395480), (3, 6930320), (4, 5197740), (5, 4158192), (6, 3465160), (8, 2598870), (10, 2079096), (12, 1732580), (15, 1386064), (16, 1299435), (20, 1039548), (24, 866290), (30, 693032), (40, 519774), (48, 433145), (60, 346516), (80, 259887), (120, 173258), (240, 86629)]