20354256

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 62558496

約数和(自身を除く): 42204240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 83, 104, 117, 131, 144, 156, 166, 208, 234, 249, 262, 312, 332, 393, 468, 498, 524, 624, 664, 747, 786, 936, 996, 1048, 1079, 1179, 1328, 1494, 1572, 1703, 1872, 1992, 2096, 2158, 2358, 2988, 3144, 3237, 3406, 3984, 4316, 4716, 5109, 5976, 6288, 6474, 6812, 8632, 9432, 9711, 10218, 10873, 11952, 12948, 13624, 15327, 17264, 18864, 19422, 20436, 21746, 25896, 27248, 30654, 32619, 38844, 40872, 43492, 51792, 61308, 65238, 77688, 81744, 86984, 97857, 122616, 130476, 141349, 155376, 173968, 195714, 245232, 260952, 282698, 391428, 424047, 521904, 565396, 782856, 848094, 1130792, 1272141, 1565712, 1696188, 2261584, 2544282, 3392376, 5088564, 6784752, 10177128, 20354256]

約数ペア:

[(1, 20354256), (2, 10177128), (3, 6784752), (4, 5088564), (6, 3392376), (8, 2544282), (9, 2261584), (12, 1696188), (13, 1565712), (16, 1272141), (18, 1130792), (24, 848094), (26, 782856), (36, 565396), (39, 521904), (48, 424047), (52, 391428), (72, 282698), (78, 260952), (83, 245232), (104, 195714), (117, 173968), (131, 155376), (144, 141349), (156, 130476), (166, 122616), (208, 97857), (234, 86984), (249, 81744), (262, 77688), (312, 65238), (332, 61308), (393, 51792), (468, 43492), (498, 40872), (524, 38844), (624, 32619), (664, 30654), (747, 27248), (786, 25896), (936, 21746), (996, 20436), (1048, 19422), (1079, 18864), (1179, 17264), (1328, 15327), (1494, 13624), (1572, 12948), (1703, 11952), (1872, 10873), (1992, 10218), (2096, 9711), (2158, 9432), (2358, 8632), (2988, 6812), (3144, 6474), (3237, 6288), (3406, 5976), (3984, 5109), (4316, 4716)]