20754825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3041}}^1$

素因数の和:3074

約数の個数: 48

約数和(自身を含む): 42247296

約数和(自身を除く): 21492471

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 3041, 6825, 9123, 15205, 21287, 39533, 45615, 63861, 76025, 106435, 118599, 197665, 228075, 276731, 319305, 532175, 592995, 830193, 988325, 1383655, 1596525, 2964975, 4150965, 6918275, 20754825]

約数ペア:

[(1, 20754825), (3, 6918275), (5, 4150965), (7, 2964975), (13, 1596525), (15, 1383655), (21, 988325), (25, 830193), (35, 592995), (39, 532175), (65, 319305), (75, 276731), (91, 228075), (105, 197665), (175, 118599), (195, 106435), (273, 76025), (325, 63861), (455, 45615), (525, 39533), (975, 21287), (1365, 15205), (2275, 9123), (3041, 6825)]