20223819

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 54

約数和(自身を含む): 37450140

約数和(自身を除く): 17226321

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 121, 147, 231, 363, 379, 441, 539, 693, 847, 1089, 1137, 1617, 2541, 2653, 3411, 4169, 4851, 5929, 7623, 7959, 12507, 17787, 18571, 23877, 29183, 37521, 45859, 53361, 55713, 87549, 137577, 167139, 204281, 262647, 321013, 412731, 612843, 963039, 1838529, 2247091, 2889117, 6741273, 20223819]

約数ペア:

[(1, 20223819), (3, 6741273), (7, 2889117), (9, 2247091), (11, 1838529), (21, 963039), (33, 612843), (49, 412731), (63, 321013), (77, 262647), (99, 204281), (121, 167139), (147, 137577), (231, 87549), (363, 55713), (379, 53361), (441, 45859), (539, 37521), (693, 29183), (847, 23877), (1089, 18571), (1137, 17787), (1617, 12507), (2541, 7959), (2653, 7623), (3411, 5929), (4169, 4851)]