20894850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:864

約数の個数: 72

約数和(自身を含む): 57161520

約数和(自身を除く): 36266670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 59, 75, 90, 118, 150, 177, 225, 295, 354, 450, 531, 590, 787, 885, 1062, 1475, 1574, 1770, 2361, 2655, 2950, 3935, 4425, 4722, 5310, 7083, 7870, 8850, 11805, 13275, 14166, 19675, 23610, 26550, 35415, 39350, 46433, 59025, 70830, 92866, 118050, 139299, 177075, 232165, 278598, 354150, 417897, 464330, 696495, 835794, 1160825, 1392990, 2089485, 2321650, 3482475, 4178970, 6964950, 10447425, 20894850]

約数ペア:

[(1, 20894850), (2, 10447425), (3, 6964950), (5, 4178970), (6, 3482475), (9, 2321650), (10, 2089485), (15, 1392990), (18, 1160825), (25, 835794), (30, 696495), (45, 464330), (50, 417897), (59, 354150), (75, 278598), (90, 232165), (118, 177075), (150, 139299), (177, 118050), (225, 92866), (295, 70830), (354, 59025), (450, 46433), (531, 39350), (590, 35415), (787, 26550), (885, 23610), (1062, 19675), (1475, 14166), (1574, 13275), (1770, 11805), (2361, 8850), (2655, 7870), (2950, 7083), (3935, 5310), (4425, 4722)]