20024725

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 30855168

約数和(自身を除く): 10830443

約数列:

[1, 5, 7, 17, 25, 35, 53, 85, 119, 127, 175, 265, 371, 425, 595, 635, 889, 901, 1325, 1855, 2159, 2975, 3175, 4445, 4505, 6307, 6731, 9275, 10795, 15113, 22225, 22525, 31535, 33655, 47117, 53975, 75565, 114427, 157675, 168275, 235585, 377825, 572135, 800989, 1177925, 2860675, 4004945, 20024725]

約数ペア:

[(1, 20024725), (5, 4004945), (7, 2860675), (17, 1177925), (25, 800989), (35, 572135), (53, 377825), (85, 235585), (119, 168275), (127, 157675), (175, 114427), (265, 75565), (371, 53975), (425, 47117), (595, 33655), (635, 31535), (889, 22525), (901, 22225), (1325, 15113), (1855, 10795), (2159, 9275), (2975, 6731), (3175, 6307), (4445, 4505)]