20796894924

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{894721}}^1$

素因数の和:894890

約数の個数: 48

約数和(自身を含む): 52609653600

約数和(自身を除く): 31812758676

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 149, 156, 298, 447, 596, 894, 1788, 1937, 3874, 5811, 7748, 11622, 23244, 894721, 1789442, 2684163, 3578884, 5368326, 10736652, 11631373, 23262746, 34894119, 46525492, 69788238, 133313429, 139576476, 266626858, 399940287, 533253716, 799880574, 1599761148, 1733074577, 3466149154, 5199223731, 6932298308, 10398447462, 20796894924]

約数ペア:

[(1, 20796894924), (2, 10398447462), (3, 6932298308), (4, 5199223731), (6, 3466149154), (12, 1733074577), (13, 1599761148), (26, 799880574), (39, 533253716), (52, 399940287), (78, 266626858), (149, 139576476), (156, 133313429), (298, 69788238), (447, 46525492), (596, 34894119), (894, 23262746), (1788, 11631373), (1937, 10736652), (3874, 5368326), (5811, 3578884), (7748, 2684163), (11622, 1789442), (23244, 894721)]