20753226

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 55157760

約数和(自身を除く): 34404534

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 37, 39, 47, 51, 54, 74, 78, 94, 102, 111, 117, 141, 153, 221, 222, 234, 282, 306, 333, 351, 423, 442, 459, 481, 611, 629, 663, 666, 702, 799, 846, 918, 962, 999, 1222, 1258, 1269, 1326, 1443, 1598, 1739, 1833, 1887, 1989, 1998, 2397, 2538, 2886, 3478, 3666, 3774, 3978, 4329, 4794, 5217, 5499, 5661, 5967, 7191, 8177, 8658, 10387, 10434, 10998, 11322, 11934, 12987, 14382, 15651, 16354, 16497, 16983, 20774, 21573, 22607, 24531, 25974, 29563, 31161, 31302, 32994, 33966, 43146, 45214, 46953, 49062, 59126, 62322, 67821, 73593, 88689, 93483, 93906, 135642, 147186, 177378, 186966, 203463, 220779, 266067, 280449, 384319, 406926, 441558, 532134, 560898, 610389, 768638, 798201, 1152957, 1220778, 1596402, 2305914, 3458871, 6917742, 10376613, 20753226]

約数ペア:

[(1, 20753226), (2, 10376613), (3, 6917742), (6, 3458871), (9, 2305914), (13, 1596402), (17, 1220778), (18, 1152957), (26, 798201), (27, 768638), (34, 610389), (37, 560898), (39, 532134), (47, 441558), (51, 406926), (54, 384319), (74, 280449), (78, 266067), (94, 220779), (102, 203463), (111, 186966), (117, 177378), (141, 147186), (153, 135642), (221, 93906), (222, 93483), (234, 88689), (282, 73593), (306, 67821), (333, 62322), (351, 59126), (423, 49062), (442, 46953), (459, 45214), (481, 43146), (611, 33966), (629, 32994), (663, 31302), (666, 31161), (702, 29563), (799, 25974), (846, 24531), (918, 22607), (962, 21573), (999, 20774), (1222, 16983), (1258, 16497), (1269, 16354), (1326, 15651), (1443, 14382), (1598, 12987), (1739, 11934), (1833, 11322), (1887, 10998), (1989, 10434), (1998, 10387), (2397, 8658), (2538, 8177), (2886, 7191), (3478, 5967), (3666, 5661), (3774, 5499), (3978, 5217), (4329, 4794)]