20348300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 51767520

約数和(自身を除く): 31419220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 287, 350, 410, 574, 700, 709, 820, 1025, 1148, 1418, 1435, 2050, 2836, 2870, 3545, 4100, 4963, 5740, 7090, 7175, 9926, 14180, 14350, 17725, 19852, 24815, 28700, 29069, 35450, 49630, 58138, 70900, 99260, 116276, 124075, 145345, 203483, 248150, 290690, 406966, 496300, 581380, 726725, 813932, 1017415, 1453450, 2034830, 2906900, 4069660, 5087075, 10174150, 20348300]

約数ペア:

[(1, 20348300), (2, 10174150), (4, 5087075), (5, 4069660), (7, 2906900), (10, 2034830), (14, 1453450), (20, 1017415), (25, 813932), (28, 726725), (35, 581380), (41, 496300), (50, 406966), (70, 290690), (82, 248150), (100, 203483), (140, 145345), (164, 124075), (175, 116276), (205, 99260), (287, 70900), (350, 58138), (410, 49630), (574, 35450), (700, 29069), (709, 28700), (820, 24815), (1025, 19852), (1148, 17725), (1418, 14350), (1435, 14180), (2050, 9926), (2836, 7175), (2870, 7090), (3545, 5740), (4100, 4963)]