16758420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{39901}}^1$

素因数の和:39920

約数の個数: 48

約数和(自身を含む): 53628288

約数和(自身を除く): 36869868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 39901, 79802, 119703, 159604, 199505, 239406, 279307, 399010, 478812, 558614, 598515, 798020, 837921, 1117228, 1197030, 1396535, 1675842, 2394060, 2793070, 3351684, 4189605, 5586140, 8379210, 16758420]

約数ペア:

[(1, 16758420), (2, 8379210), (3, 5586140), (4, 4189605), (5, 3351684), (6, 2793070), (7, 2394060), (10, 1675842), (12, 1396535), (14, 1197030), (15, 1117228), (20, 837921), (21, 798020), (28, 598515), (30, 558614), (35, 478812), (42, 399010), (60, 279307), (70, 239406), (84, 199505), (105, 159604), (140, 119703), (210, 79802), (420, 39901)]