20394480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84977}}^1$

素因数の和:84993

約数の個数: 40

約数和(自身を含む): 63223632

約数和(自身を除く): 42829152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84977, 169954, 254931, 339908, 424885, 509862, 679816, 849770, 1019724, 1274655, 1359632, 1699540, 2039448, 2549310, 3399080, 4078896, 5098620, 6798160, 10197240, 20394480]

約数ペア:

[(1, 20394480), (2, 10197240), (3, 6798160), (4, 5098620), (5, 4078896), (6, 3399080), (8, 2549310), (10, 2039448), (12, 1699540), (15, 1359632), (16, 1274655), (20, 1019724), (24, 849770), (30, 679816), (40, 509862), (48, 424885), (60, 339908), (80, 254931), (120, 169954), (240, 84977)]