20794000

素因数分解:

$2^4\times 5^3\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:341

約数の個数: 80

約数和(自身を含む): 51822576

約数和(自身を除く): 31028576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 125, 148, 185, 200, 250, 281, 296, 370, 400, 500, 562, 592, 740, 925, 1000, 1124, 1405, 1480, 1850, 2000, 2248, 2810, 2960, 3700, 4496, 4625, 5620, 7025, 7400, 9250, 10397, 11240, 14050, 14800, 18500, 20794, 22480, 28100, 35125, 37000, 41588, 51985, 56200, 70250, 74000, 83176, 103970, 112400, 140500, 166352, 207940, 259925, 281000, 415880, 519850, 562000, 831760, 1039700, 1299625, 2079400, 2599250, 4158800, 5198500, 10397000, 20794000]

約数ペア:

[(1, 20794000), (2, 10397000), (4, 5198500), (5, 4158800), (8, 2599250), (10, 2079400), (16, 1299625), (20, 1039700), (25, 831760), (37, 562000), (40, 519850), (50, 415880), (74, 281000), (80, 259925), (100, 207940), (125, 166352), (148, 140500), (185, 112400), (200, 103970), (250, 83176), (281, 74000), (296, 70250), (370, 56200), (400, 51985), (500, 41588), (562, 37000), (592, 35125), (740, 28100), (925, 22480), (1000, 20794), (1124, 18500), (1405, 14800), (1480, 14050), (1850, 11240), (2000, 10397), (2248, 9250), (2810, 7400), (2960, 7025), (3700, 5620), (4496, 4625)]