20562675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 39640320

約数和(自身を除く): 19077645

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 53, 75, 105, 159, 175, 265, 371, 525, 739, 795, 1113, 1325, 1855, 2217, 3695, 3975, 5173, 5565, 9275, 11085, 15519, 18475, 25865, 27825, 39167, 55425, 77595, 117501, 129325, 195835, 274169, 387975, 587505, 822507, 979175, 1370845, 2937525, 4112535, 6854225, 20562675]

約数ペア:

[(1, 20562675), (3, 6854225), (5, 4112535), (7, 2937525), (15, 1370845), (21, 979175), (25, 822507), (35, 587505), (53, 387975), (75, 274169), (105, 195835), (159, 129325), (175, 117501), (265, 77595), (371, 55425), (525, 39167), (739, 27825), (795, 25865), (1113, 18475), (1325, 15519), (1855, 11085), (2217, 9275), (3695, 5565), (3975, 5173)]