20694900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{683}}^1$

素因数の和:801

約数の個数: 72

約数和(自身を含む): 60558624

約数和(自身を除く): 39863724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 101, 150, 202, 300, 303, 404, 505, 606, 683, 1010, 1212, 1366, 1515, 2020, 2049, 2525, 2732, 3030, 3415, 4098, 5050, 6060, 6830, 7575, 8196, 10100, 10245, 13660, 15150, 17075, 20490, 30300, 34150, 40980, 51225, 68300, 68983, 102450, 137966, 204900, 206949, 275932, 344915, 413898, 689830, 827796, 1034745, 1379660, 1724575, 2069490, 3449150, 4138980, 5173725, 6898300, 10347450, 20694900]

約数ペア:

[(1, 20694900), (2, 10347450), (3, 6898300), (4, 5173725), (5, 4138980), (6, 3449150), (10, 2069490), (12, 1724575), (15, 1379660), (20, 1034745), (25, 827796), (30, 689830), (50, 413898), (60, 344915), (75, 275932), (100, 206949), (101, 204900), (150, 137966), (202, 102450), (300, 68983), (303, 68300), (404, 51225), (505, 40980), (606, 34150), (683, 30300), (1010, 20490), (1212, 17075), (1366, 15150), (1515, 13660), (2020, 10245), (2049, 10100), (2525, 8196), (2732, 7575), (3030, 6830), (3415, 6060), (4098, 5050)]