20090475

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3079}}^1$

素因数の和:3124

約数の個数: 36

約数和(自身を含む): 37237200

約数和(自身を除く): 17146725

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 3079, 6525, 9237, 15395, 27711, 46185, 76975, 89291, 138555, 230925, 267873, 446455, 692775, 803619, 1339365, 2232275, 4018095, 6696825, 20090475]

約数ペア:

[(1, 20090475), (3, 6696825), (5, 4018095), (9, 2232275), (15, 1339365), (25, 803619), (29, 692775), (45, 446455), (75, 267873), (87, 230925), (145, 138555), (225, 89291), (261, 76975), (435, 46185), (725, 27711), (1305, 15395), (2175, 9237), (3079, 6525)]