20298950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{983}}^1$

素因数の和:1061

約数の個数: 48

約数和(自身を含む): 43925760

約数和(自身を除く): 23626810

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 59, 70, 118, 175, 295, 350, 413, 590, 826, 983, 1475, 1966, 2065, 2950, 4130, 4915, 6881, 9830, 10325, 13762, 20650, 24575, 34405, 49150, 57997, 68810, 115994, 172025, 289985, 344050, 405979, 579970, 811958, 1449925, 2029895, 2899850, 4059790, 10149475, 20298950]

約数ペア:

[(1, 20298950), (2, 10149475), (5, 4059790), (7, 2899850), (10, 2029895), (14, 1449925), (25, 811958), (35, 579970), (50, 405979), (59, 344050), (70, 289985), (118, 172025), (175, 115994), (295, 68810), (350, 57997), (413, 49150), (590, 34405), (826, 24575), (983, 20650), (1475, 13762), (1966, 10325), (2065, 9830), (2950, 6881), (4130, 4915)]