20484960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42677}}^1$

素因数の和:42695

約数の個数: 48

約数和(自身を含む): 64529136

約数和(自身を除く): 44044176

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, 42677, 85354, 128031, 170708, 213385, 256062, 341416, 426770, 512124, 640155, 682832, 853540, 1024248, 1280310, 1365664, 1707080, 2048496, 2560620, 3414160, 4096992, 5121240, 6828320, 10242480, 20484960]

約数ペア:

[(1, 20484960), (2, 10242480), (3, 6828320), (4, 5121240), (5, 4096992), (6, 3414160), (8, 2560620), (10, 2048496), (12, 1707080), (15, 1365664), (16, 1280310), (20, 1024248), (24, 853540), (30, 682832), (32, 640155), (40, 512124), (48, 426770), (60, 341416), (80, 256062), (96, 213385), (120, 170708), (160, 128031), (240, 85354), (480, 42677)]