20784050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 45241152

約数和(自身を除く): 24457102

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 50, 70, 86, 175, 215, 301, 350, 430, 602, 1075, 1381, 1505, 2150, 2762, 3010, 6905, 7525, 9667, 13810, 15050, 19334, 34525, 48335, 59383, 69050, 96670, 118766, 241675, 296915, 415681, 483350, 593830, 831362, 1484575, 2078405, 2969150, 4156810, 10392025, 20784050]

約数ペア:

[(1, 20784050), (2, 10392025), (5, 4156810), (7, 2969150), (10, 2078405), (14, 1484575), (25, 831362), (35, 593830), (43, 483350), (50, 415681), (70, 296915), (86, 241675), (175, 118766), (215, 96670), (301, 69050), (350, 59383), (430, 48335), (602, 34525), (1075, 19334), (1381, 15050), (1505, 13810), (2150, 9667), (2762, 7525), (3010, 6905)]