20085101911

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{1619}}^1$

素因数の和:1984

約数の個数: 48

約数和(自身を含む): 25310763360

約数和(自身を除く): 5225661449

約数列:

[1, 7, 17, 49, 53, 119, 281, 371, 833, 901, 1619, 1967, 2597, 4777, 6307, 11333, 13769, 14893, 27523, 33439, 44149, 79331, 85807, 104251, 192661, 234073, 253181, 454939, 600649, 729757, 1348627, 1458719, 1772267, 3184573, 4204543, 7733963, 10211033, 12405869, 22292011, 24111767, 54137741, 71477231, 168782369, 378964187, 409900039, 1181476583, 2869300273, 20085101911]

約数ペア:

[(1, 20085101911), (7, 2869300273), (17, 1181476583), (49, 409900039), (53, 378964187), (119, 168782369), (281, 71477231), (371, 54137741), (833, 24111767), (901, 22292011), (1619, 12405869), (1967, 10211033), (2597, 7733963), (4777, 4204543), (6307, 3184573), (11333, 1772267), (13769, 1458719), (14893, 1348627), (27523, 729757), (33439, 600649), (44149, 454939), (79331, 253181), (85807, 234073), (104251, 192661)]