20157822

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 49795200

約数和(自身を除く): 29637378

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 37, 38, 54, 57, 59, 74, 81, 111, 114, 118, 162, 171, 177, 222, 243, 333, 342, 354, 486, 513, 531, 666, 703, 999, 1026, 1062, 1121, 1406, 1539, 1593, 1998, 2109, 2183, 2242, 2997, 3078, 3186, 3363, 4218, 4366, 4617, 4779, 5994, 6327, 6549, 6726, 8991, 9234, 9558, 10089, 12654, 13098, 14337, 17982, 18981, 19647, 20178, 28674, 30267, 37962, 39294, 41477, 56943, 58941, 60534, 82954, 90801, 113886, 117882, 124431, 170829, 176823, 181602, 248862, 272403, 341658, 353646, 373293, 530469, 544806, 746586, 1060938, 1119879, 2239758, 3359637, 6719274, 10078911, 20157822]

約数ペア:

[(1, 20157822), (2, 10078911), (3, 6719274), (6, 3359637), (9, 2239758), (18, 1119879), (19, 1060938), (27, 746586), (37, 544806), (38, 530469), (54, 373293), (57, 353646), (59, 341658), (74, 272403), (81, 248862), (111, 181602), (114, 176823), (118, 170829), (162, 124431), (171, 117882), (177, 113886), (222, 90801), (243, 82954), (333, 60534), (342, 58941), (354, 56943), (486, 41477), (513, 39294), (531, 37962), (666, 30267), (703, 28674), (999, 20178), (1026, 19647), (1062, 18981), (1121, 17982), (1406, 14337), (1539, 13098), (1593, 12654), (1998, 10089), (2109, 9558), (2183, 9234), (2242, 8991), (2997, 6726), (3078, 6549), (3186, 6327), (3363, 5994), (4218, 4779), (4366, 4617)]