20272450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:124

約数の個数: 96

約数和(自身を含む): 44997120

約数和(自身を除く): 24724670

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 31, 41, 50, 55, 58, 62, 82, 110, 145, 155, 205, 275, 290, 310, 319, 341, 410, 451, 550, 638, 682, 725, 775, 899, 902, 1025, 1189, 1271, 1450, 1550, 1595, 1705, 1798, 2050, 2255, 2378, 2542, 3190, 3410, 4495, 4510, 5945, 6355, 7975, 8525, 8990, 9889, 11275, 11890, 12710, 13079, 13981, 15950, 17050, 19778, 22475, 22550, 26158, 27962, 29725, 31775, 36859, 44950, 49445, 59450, 63550, 65395, 69905, 73718, 98890, 130790, 139810, 184295, 247225, 326975, 349525, 368590, 405449, 494450, 653950, 699050, 810898, 921475, 1842950, 2027245, 4054490, 10136225, 20272450]

約数ペア:

[(1, 20272450), (2, 10136225), (5, 4054490), (10, 2027245), (11, 1842950), (22, 921475), (25, 810898), (29, 699050), (31, 653950), (41, 494450), (50, 405449), (55, 368590), (58, 349525), (62, 326975), (82, 247225), (110, 184295), (145, 139810), (155, 130790), (205, 98890), (275, 73718), (290, 69905), (310, 65395), (319, 63550), (341, 59450), (410, 49445), (451, 44950), (550, 36859), (638, 31775), (682, 29725), (725, 27962), (775, 26158), (899, 22550), (902, 22475), (1025, 19778), (1189, 17050), (1271, 15950), (1450, 13981), (1550, 13079), (1595, 12710), (1705, 11890), (1798, 11275), (2050, 9889), (2255, 8990), (2378, 8525), (2542, 7975), (3190, 6355), (3410, 5945), (4495, 4510)]