20416950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{769}}^1$

素因数の和:846

約数の個数: 72

約数和(自身を含む): 55855800

約数和(自身を除く): 35438850

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, 769, 885, 1062, 1475, 1538, 1770, 2307, 2655, 2950, 3845, 4425, 4614, 5310, 6921, 7690, 8850, 11535, 13275, 13842, 19225, 23070, 26550, 34605, 38450, 45371, 57675, 69210, 90742, 115350, 136113, 173025, 226855, 272226, 346050, 408339, 453710, 680565, 816678, 1134275, 1361130, 2041695, 2268550, 3402825, 4083390, 6805650, 10208475, 20416950]

約数ペア:

[(1, 20416950), (2, 10208475), (3, 6805650), (5, 4083390), (6, 3402825), (9, 2268550), (10, 2041695), (15, 1361130), (18, 1134275), (25, 816678), (30, 680565), (45, 453710), (50, 408339), (59, 346050), (75, 272226), (90, 226855), (118, 173025), (150, 136113), (177, 115350), (225, 90742), (295, 69210), (354, 57675), (450, 45371), (531, 38450), (590, 34605), (769, 26550), (885, 23070), (1062, 19225), (1475, 13842), (1538, 13275), (1770, 11535), (2307, 8850), (2655, 7690), (2950, 6921), (3845, 5310), (4425, 4614)]