20280900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1093

約数の個数: 72

約数和(自身を含む): 59614240

約数和(自身を除く): 39333340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 67, 75, 100, 134, 150, 201, 268, 300, 335, 402, 670, 804, 1005, 1009, 1340, 1675, 2010, 2018, 3027, 3350, 4020, 4036, 5025, 5045, 6054, 6700, 10050, 10090, 12108, 15135, 20100, 20180, 25225, 30270, 50450, 60540, 67603, 75675, 100900, 135206, 151350, 202809, 270412, 302700, 338015, 405618, 676030, 811236, 1014045, 1352060, 1690075, 2028090, 3380150, 4056180, 5070225, 6760300, 10140450, 20280900]

約数ペア:

[(1, 20280900), (2, 10140450), (3, 6760300), (4, 5070225), (5, 4056180), (6, 3380150), (10, 2028090), (12, 1690075), (15, 1352060), (20, 1014045), (25, 811236), (30, 676030), (50, 405618), (60, 338015), (67, 302700), (75, 270412), (100, 202809), (134, 151350), (150, 135206), (201, 100900), (268, 75675), (300, 67603), (335, 60540), (402, 50450), (670, 30270), (804, 25225), (1005, 20180), (1009, 20100), (1340, 15135), (1675, 12108), (2010, 10090), (2018, 10050), (3027, 6700), (3350, 6054), (4020, 5045), (4036, 5025)]