20087925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1873}}^1$

素因数の和:1910

約数の個数: 48

約数和(自身を含む): 39039168

約数和(自身を除く): 18951243

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 1873, 2145, 3575, 5619, 9365, 10725, 20603, 24349, 28095, 46825, 61809, 73047, 103015, 121745, 140475, 267839, 309045, 365235, 515075, 608725, 803517, 1339195, 1545225, 1826175, 4017585, 6695975, 20087925]

約数ペア:

[(1, 20087925), (3, 6695975), (5, 4017585), (11, 1826175), (13, 1545225), (15, 1339195), (25, 803517), (33, 608725), (39, 515075), (55, 365235), (65, 309045), (75, 267839), (143, 140475), (165, 121745), (195, 103015), (275, 73047), (325, 61809), (429, 46825), (715, 28095), (825, 24349), (975, 20603), (1873, 10725), (2145, 9365), (3575, 5619)]