20454129241

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2003}}^1$

素因数の和:2111

約数の個数: 96

約数和(自身を含む): 29015739648

約数和(自身を除く): 8561610407

約数列:

[1, 7, 13, 17, 23, 41, 49, 91, 119, 161, 221, 287, 299, 391, 533, 637, 697, 833, 943, 1127, 1547, 2003, 2009, 2093, 2737, 3731, 4879, 5083, 6601, 9061, 10829, 12259, 14021, 14651, 16031, 19159, 26039, 26117, 34051, 34153, 35581, 46069, 46207, 63427, 82123, 85813, 98147, 112217, 182273, 208403, 238357, 249067, 322483, 442663, 443989, 574861, 598897, 600691, 783173, 785519, 1067599, 1275911, 1396091, 1458821, 1668499, 1888829, 2257381, 3098641, 4024027, 4192279, 5482211, 7473193, 9772637, 10181249, 10211747, 13221803, 18149183, 21690487, 24554777, 29345953, 32110093, 38375477, 52312351, 68408459, 71268743, 92552621, 127044281, 171883439, 224770651, 417431209, 498881201, 889309967, 1203184073, 1573394557, 2922018463, 20454129241]

約数ペア:

[(1, 20454129241), (7, 2922018463), (13, 1573394557), (17, 1203184073), (23, 889309967), (41, 498881201), (49, 417431209), (91, 224770651), (119, 171883439), (161, 127044281), (221, 92552621), (287, 71268743), (299, 68408459), (391, 52312351), (533, 38375477), (637, 32110093), (697, 29345953), (833, 24554777), (943, 21690487), (1127, 18149183), (1547, 13221803), (2003, 10211747), (2009, 10181249), (2093, 9772637), (2737, 7473193), (3731, 5482211), (4879, 4192279), (5083, 4024027), (6601, 3098641), (9061, 2257381), (10829, 1888829), (12259, 1668499), (14021, 1458821), (14651, 1396091), (16031, 1275911), (19159, 1067599), (26039, 785519), (26117, 783173), (34051, 600691), (34153, 598897), (35581, 574861), (46069, 443989), (46207, 442663), (63427, 322483), (82123, 249067), (85813, 238357), (98147, 208403), (112217, 182273)]