20078775

素因数分解:

$3^2\times 5^2\times {\mathrm{233}}^1\times {\mathrm{383}}^1$

素因数の和:632

約数の個数: 36

約数和(自身を含む): 36211968

約数和(自身を除く): 16133193

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 233, 383, 699, 1149, 1165, 1915, 2097, 3447, 3495, 5745, 5825, 9575, 10485, 17235, 17475, 28725, 52425, 86175, 89239, 267717, 446195, 803151, 1338585, 2230975, 4015755, 6692925, 20078775]

約数ペア:

[(1, 20078775), (3, 6692925), (5, 4015755), (9, 2230975), (15, 1338585), (25, 803151), (45, 446195), (75, 267717), (225, 89239), (233, 86175), (383, 52425), (699, 28725), (1149, 17475), (1165, 17235), (1915, 10485), (2097, 9575), (3447, 5825), (3495, 5745)]