20219508725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{6247}}^1$

素因数の和:6726

約数の個数: 48

約数和(自身を含む): 28244358912

約数和(自身を除く): 8024850187

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 433, 575, 1495, 2165, 5629, 6247, 7475, 9959, 10825, 28145, 31235, 49795, 81211, 129467, 140725, 143681, 156175, 248975, 406055, 647335, 718405, 1867853, 2030275, 2704951, 3236675, 3592025, 9339265, 13524755, 35164363, 46696325, 62213873, 67623775, 175821815, 311069365, 808780349, 879109075, 1555346825, 4043901745, 20219508725]

約数ペア:

[(1, 20219508725), (5, 4043901745), (13, 1555346825), (23, 879109075), (25, 808780349), (65, 311069365), (115, 175821815), (299, 67623775), (325, 62213873), (433, 46696325), (575, 35164363), (1495, 13524755), (2165, 9339265), (5629, 3592025), (6247, 3236675), (7475, 2704951), (9959, 2030275), (10825, 1867853), (28145, 718405), (31235, 647335), (49795, 406055), (81211, 248975), (129467, 156175), (140725, 143681)]