20584875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{3229}}^1$

素因数の和:3264

約数の個数: 32

約数和(自身を含む): 36279360

約数和(自身を除く): 15694485

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 3229, 6375, 9687, 16145, 48435, 54893, 80725, 164679, 242175, 274465, 403625, 823395, 1210875, 1372325, 4116975, 6861625, 20584875]

約数ペア:

[(1, 20584875), (3, 6861625), (5, 4116975), (15, 1372325), (17, 1210875), (25, 823395), (51, 403625), (75, 274465), (85, 242175), (125, 164679), (255, 80725), (375, 54893), (425, 48435), (1275, 16145), (2125, 9687), (3229, 6375)]