20592825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 37646400

約数和(自身を除く): 17053575

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 109, 165, 229, 275, 327, 545, 687, 825, 1145, 1199, 1635, 2519, 2725, 3435, 3597, 5725, 5995, 7557, 8175, 12595, 17175, 17985, 24961, 29975, 37785, 62975, 74883, 89925, 124805, 188925, 274571, 374415, 624025, 823713, 1372855, 1872075, 4118565, 6864275, 20592825]

約数ペア:

[(1, 20592825), (3, 6864275), (5, 4118565), (11, 1872075), (15, 1372855), (25, 823713), (33, 624025), (55, 374415), (75, 274571), (109, 188925), (165, 124805), (229, 89925), (275, 74883), (327, 62975), (545, 37785), (687, 29975), (825, 24961), (1145, 17985), (1199, 17175), (1635, 12595), (2519, 8175), (2725, 7557), (3435, 5995), (3597, 5725)]