20188070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 44858880

約数和(自身を除く): 24670810

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 43, 70, 86, 95, 133, 190, 215, 266, 301, 353, 430, 602, 665, 706, 817, 1330, 1505, 1634, 1765, 2471, 3010, 3530, 4085, 4942, 5719, 6707, 8170, 11438, 12355, 13414, 15179, 24710, 28595, 30358, 33535, 46949, 57190, 67070, 75895, 93898, 106253, 151790, 212506, 234745, 288401, 469490, 531265, 576802, 1062530, 1442005, 2018807, 2884010, 4037614, 10094035, 20188070]

約数ペア:

[(1, 20188070), (2, 10094035), (5, 4037614), (7, 2884010), (10, 2018807), (14, 1442005), (19, 1062530), (35, 576802), (38, 531265), (43, 469490), (70, 288401), (86, 234745), (95, 212506), (133, 151790), (190, 106253), (215, 93898), (266, 75895), (301, 67070), (353, 57190), (430, 46949), (602, 33535), (665, 30358), (706, 28595), (817, 24710), (1330, 15179), (1505, 13414), (1634, 12355), (1765, 11438), (2471, 8170), (3010, 6707), (3530, 5719), (4085, 4942)]