20953450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 44979264

約数和(自身を除く): 24025814

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 131, 175, 262, 350, 457, 655, 914, 917, 1310, 1834, 2285, 3199, 3275, 4570, 4585, 6398, 6550, 9170, 11425, 15995, 22850, 22925, 31990, 45850, 59867, 79975, 119734, 159950, 299335, 419069, 598670, 838138, 1496675, 2095345, 2993350, 4190690, 10476725, 20953450]

約数ペア:

[(1, 20953450), (2, 10476725), (5, 4190690), (7, 2993350), (10, 2095345), (14, 1496675), (25, 838138), (35, 598670), (50, 419069), (70, 299335), (131, 159950), (175, 119734), (262, 79975), (350, 59867), (457, 45850), (655, 31990), (914, 22925), (917, 22850), (1310, 15995), (1834, 11425), (2285, 9170), (3199, 6550), (3275, 6398), (4570, 4585)]