20884039215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{11909}}^1$

素因数の和:11993

約数の個数: 96

約数和(自身を含む): 39833519040

約数和(自身を除く): 18949479825

約数列:

[1, 3, 5, 13, 15, 17, 23, 39, 51, 65, 69, 85, 115, 195, 221, 255, 299, 345, 391, 529, 663, 897, 1105, 1173, 1495, 1587, 1955, 2645, 3315, 4485, 5083, 5865, 6877, 7935, 8993, 11909, 15249, 20631, 25415, 26979, 34385, 35727, 44965, 59545, 76245, 103155, 116909, 134895, 154817, 178635, 202453, 273907, 350727, 464451, 584545, 607359, 774085, 821721, 1012265, 1369535, 1753635, 2322255, 2631889, 3036795, 3560791, 4108605, 4656419, 6299861, 7895667, 10682373, 13159445, 13969257, 17803955, 18899583, 23282095, 31499305, 39478335, 53411865, 60533447, 69846285, 81898193, 94497915, 107097637, 181600341, 245694579, 302667235, 321292911, 409490965, 535488185, 908001705, 1228472895, 1392269281, 1606464555, 4176807843, 6961346405, 20884039215]

約数ペア:

[(1, 20884039215), (3, 6961346405), (5, 4176807843), (13, 1606464555), (15, 1392269281), (17, 1228472895), (23, 908001705), (39, 535488185), (51, 409490965), (65, 321292911), (69, 302667235), (85, 245694579), (115, 181600341), (195, 107097637), (221, 94497915), (255, 81898193), (299, 69846285), (345, 60533447), (391, 53411865), (529, 39478335), (663, 31499305), (897, 23282095), (1105, 18899583), (1173, 17803955), (1495, 13969257), (1587, 13159445), (1955, 10682373), (2645, 7895667), (3315, 6299861), (4485, 4656419), (5083, 4108605), (5865, 3560791), (6877, 3036795), (7935, 2631889), (8993, 2322255), (11909, 1753635), (15249, 1369535), (20631, 1012265), (25415, 821721), (26979, 774085), (34385, 607359), (35727, 584545), (44965, 464451), (59545, 350727), (76245, 273907), (103155, 202453), (116909, 178635), (134895, 154817)]