20739060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 108

約数和(自身を含む): 65628108

約数和(自身を除く): 44889048

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 137, 145, 174, 180, 261, 274, 290, 348, 411, 435, 522, 548, 580, 685, 822, 841, 870, 1044, 1233, 1305, 1370, 1644, 1682, 1740, 2055, 2466, 2523, 2610, 2740, 3364, 3973, 4110, 4205, 4932, 5046, 5220, 6165, 7569, 7946, 8220, 8410, 10092, 11919, 12330, 12615, 15138, 15892, 16820, 19865, 23838, 24660, 25230, 30276, 35757, 37845, 39730, 47676, 50460, 59595, 71514, 75690, 79460, 115217, 119190, 143028, 151380, 178785, 230434, 238380, 345651, 357570, 460868, 576085, 691302, 715140, 1036953, 1152170, 1382604, 1728255, 2073906, 2304340, 3456510, 4147812, 5184765, 6913020, 10369530, 20739060]

約数ペア:

[(1, 20739060), (2, 10369530), (3, 6913020), (4, 5184765), (5, 4147812), (6, 3456510), (9, 2304340), (10, 2073906), (12, 1728255), (15, 1382604), (18, 1152170), (20, 1036953), (29, 715140), (30, 691302), (36, 576085), (45, 460868), (58, 357570), (60, 345651), (87, 238380), (90, 230434), (116, 178785), (137, 151380), (145, 143028), (174, 119190), (180, 115217), (261, 79460), (274, 75690), (290, 71514), (348, 59595), (411, 50460), (435, 47676), (522, 39730), (548, 37845), (580, 35757), (685, 30276), (822, 25230), (841, 24660), (870, 23838), (1044, 19865), (1233, 16820), (1305, 15892), (1370, 15138), (1644, 12615), (1682, 12330), (1740, 11919), (2055, 10092), (2466, 8410), (2523, 8220), (2610, 7946), (2740, 7569), (3364, 6165), (3973, 5220), (4110, 5046), (4205, 4932)]