20603450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 46059552

約数和(自身を除く): 25456102

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 43, 50, 70, 74, 86, 175, 185, 215, 259, 301, 350, 370, 430, 518, 602, 925, 1075, 1295, 1369, 1505, 1591, 1850, 2150, 2590, 2738, 3010, 3182, 6475, 6845, 7525, 7955, 9583, 11137, 12950, 13690, 15050, 15910, 19166, 22274, 34225, 39775, 47915, 55685, 58867, 68450, 79550, 95830, 111370, 117734, 239575, 278425, 294335, 412069, 479150, 556850, 588670, 824138, 1471675, 2060345, 2943350, 4120690, 10301725, 20603450]

約数ペア:

[(1, 20603450), (2, 10301725), (5, 4120690), (7, 2943350), (10, 2060345), (14, 1471675), (25, 824138), (35, 588670), (37, 556850), (43, 479150), (50, 412069), (70, 294335), (74, 278425), (86, 239575), (175, 117734), (185, 111370), (215, 95830), (259, 79550), (301, 68450), (350, 58867), (370, 55685), (430, 47915), (518, 39775), (602, 34225), (925, 22274), (1075, 19166), (1295, 15910), (1369, 15050), (1505, 13690), (1591, 12950), (1850, 11137), (2150, 9583), (2590, 7955), (2738, 7525), (3010, 6845), (3182, 6475)]