20883360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 96

約数和(自身を含む): 66467520

約数和(自身を除く): 45584160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 139, 160, 240, 278, 313, 417, 480, 556, 626, 695, 834, 939, 1112, 1252, 1390, 1565, 1668, 1878, 2085, 2224, 2504, 2780, 3130, 3336, 3756, 4170, 4448, 4695, 5008, 5560, 6260, 6672, 7512, 8340, 9390, 10016, 11120, 12520, 13344, 15024, 16680, 18780, 22240, 25040, 30048, 33360, 37560, 43507, 50080, 66720, 75120, 87014, 130521, 150240, 174028, 217535, 261042, 348056, 435070, 522084, 652605, 696112, 870140, 1044168, 1305210, 1392224, 1740280, 2088336, 2610420, 3480560, 4176672, 5220840, 6961120, 10441680, 20883360]

約数ペア:

[(1, 20883360), (2, 10441680), (3, 6961120), (4, 5220840), (5, 4176672), (6, 3480560), (8, 2610420), (10, 2088336), (12, 1740280), (15, 1392224), (16, 1305210), (20, 1044168), (24, 870140), (30, 696112), (32, 652605), (40, 522084), (48, 435070), (60, 348056), (80, 261042), (96, 217535), (120, 174028), (139, 150240), (160, 130521), (240, 87014), (278, 75120), (313, 66720), (417, 50080), (480, 43507), (556, 37560), (626, 33360), (695, 30048), (834, 25040), (939, 22240), (1112, 18780), (1252, 16680), (1390, 15024), (1565, 13344), (1668, 12520), (1878, 11120), (2085, 10016), (2224, 9390), (2504, 8340), (2780, 7512), (3130, 6672), (3336, 6260), (3756, 5560), (4170, 5008), (4448, 4695)]