20262165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 41306112

約数和(自身を除く): 21043947

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 53, 55, 77, 105, 159, 165, 231, 265, 331, 371, 385, 583, 795, 993, 1113, 1155, 1655, 1749, 1855, 2317, 2915, 3641, 4081, 4965, 5565, 6951, 8745, 10923, 11585, 12243, 17543, 18205, 20405, 25487, 34755, 52629, 54615, 61215, 76461, 87715, 122801, 127435, 192973, 263145, 368403, 382305, 578919, 614005, 964865, 1350811, 1842015, 2894595, 4052433, 6754055, 20262165]

約数ペア:

[(1, 20262165), (3, 6754055), (5, 4052433), (7, 2894595), (11, 1842015), (15, 1350811), (21, 964865), (33, 614005), (35, 578919), (53, 382305), (55, 368403), (77, 263145), (105, 192973), (159, 127435), (165, 122801), (231, 87715), (265, 76461), (331, 61215), (371, 54615), (385, 52629), (583, 34755), (795, 25487), (993, 20405), (1113, 18205), (1155, 17543), (1655, 12243), (1749, 11585), (1855, 10923), (2317, 8745), (2915, 6951), (3641, 5565), (4081, 4965)]