20277210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 50637312

約数和(自身を除く): 30360102

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 73, 94, 141, 146, 197, 219, 235, 282, 365, 394, 438, 470, 591, 705, 730, 985, 1095, 1182, 1410, 1970, 2190, 2955, 3431, 5910, 6862, 9259, 10293, 14381, 17155, 18518, 20586, 27777, 28762, 34310, 43143, 46295, 51465, 55554, 71905, 86286, 92590, 102930, 138885, 143810, 215715, 277770, 431430, 675907, 1351814, 2027721, 3379535, 4055442, 6759070, 10138605, 20277210]

約数ペア:

[(1, 20277210), (2, 10138605), (3, 6759070), (5, 4055442), (6, 3379535), (10, 2027721), (15, 1351814), (30, 675907), (47, 431430), (73, 277770), (94, 215715), (141, 143810), (146, 138885), (197, 102930), (219, 92590), (235, 86286), (282, 71905), (365, 55554), (394, 51465), (438, 46295), (470, 43143), (591, 34310), (705, 28762), (730, 27777), (985, 20586), (1095, 18518), (1182, 17155), (1410, 14381), (1970, 10293), (2190, 9259), (2955, 6862), (3431, 5910)]