20935075

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 32569344

約数和(自身を除く): 11634269

約数列:

[1, 5, 7, 17, 25, 31, 35, 85, 119, 155, 175, 217, 227, 425, 527, 595, 775, 1085, 1135, 1589, 2635, 2975, 3689, 3859, 5425, 5675, 7037, 7945, 13175, 18445, 19295, 27013, 35185, 39725, 49259, 92225, 96475, 119629, 135065, 175925, 246295, 598145, 675325, 837403, 1231475, 2990725, 4187015, 20935075]

約数ペア:

[(1, 20935075), (5, 4187015), (7, 2990725), (17, 1231475), (25, 837403), (31, 675325), (35, 598145), (85, 246295), (119, 175925), (155, 135065), (175, 119629), (217, 96475), (227, 92225), (425, 49259), (527, 39725), (595, 35185), (775, 27013), (1085, 19295), (1135, 18445), (1589, 13175), (2635, 7945), (2975, 7037), (3689, 5675), (3859, 5425)]