20076825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 35602880

約数和(自身を除く): 15526055

約数列:

[1, 3, 5, 15, 19, 25, 57, 73, 75, 95, 193, 219, 285, 365, 475, 579, 965, 1095, 1387, 1425, 1825, 2895, 3667, 4161, 4825, 5475, 6935, 11001, 14089, 14475, 18335, 20805, 34675, 42267, 55005, 70445, 91675, 104025, 211335, 267691, 275025, 352225, 803073, 1056675, 1338455, 4015365, 6692275, 20076825]

約数ペア:

[(1, 20076825), (3, 6692275), (5, 4015365), (15, 1338455), (19, 1056675), (25, 803073), (57, 352225), (73, 275025), (75, 267691), (95, 211335), (193, 104025), (219, 91675), (285, 70445), (365, 55005), (475, 42267), (579, 34675), (965, 20805), (1095, 18335), (1387, 14475), (1425, 14089), (1825, 11001), (2895, 6935), (3667, 5475), (4161, 4825)]