20772240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2111}}^1$

素因数の和:2168

約数の個数: 80

約数和(自身を含む): 65995776

約数和(自身を除く): 45223536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2111, 2460, 3280, 4222, 4920, 6333, 8444, 9840, 10555, 12666, 16888, 21110, 25332, 31665, 33776, 42220, 50664, 63330, 84440, 86551, 101328, 126660, 168880, 173102, 253320, 259653, 346204, 432755, 506640, 519306, 692408, 865510, 1038612, 1298265, 1384816, 1731020, 2077224, 2596530, 3462040, 4154448, 5193060, 6924080, 10386120, 20772240]

約数ペア:

[(1, 20772240), (2, 10386120), (3, 6924080), (4, 5193060), (5, 4154448), (6, 3462040), (8, 2596530), (10, 2077224), (12, 1731020), (15, 1384816), (16, 1298265), (20, 1038612), (24, 865510), (30, 692408), (40, 519306), (41, 506640), (48, 432755), (60, 346204), (80, 259653), (82, 253320), (120, 173102), (123, 168880), (164, 126660), (205, 101328), (240, 86551), (246, 84440), (328, 63330), (410, 50664), (492, 42220), (615, 33776), (656, 31665), (820, 25332), (984, 21110), (1230, 16888), (1640, 12666), (1968, 10555), (2111, 9840), (2460, 8444), (3280, 6333), (4222, 4920)]