20111355

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 40435200

約数和(自身を除く): 20323845

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 55, 87, 99, 135, 145, 165, 261, 297, 319, 435, 467, 495, 783, 957, 1305, 1401, 1485, 1595, 2335, 2871, 3915, 4203, 4785, 5137, 7005, 8613, 12609, 13543, 14355, 15411, 21015, 25685, 40629, 43065, 46233, 63045, 67715, 77055, 121887, 138699, 148973, 203145, 231165, 365661, 446919, 609435, 693495, 744865, 1340757, 1828305, 2234595, 4022271, 6703785, 20111355]

約数ペア:

[(1, 20111355), (3, 6703785), (5, 4022271), (9, 2234595), (11, 1828305), (15, 1340757), (27, 744865), (29, 693495), (33, 609435), (45, 446919), (55, 365661), (87, 231165), (99, 203145), (135, 148973), (145, 138699), (165, 121887), (261, 77055), (297, 67715), (319, 63045), (435, 46233), (467, 43065), (495, 40629), (783, 25685), (957, 21015), (1305, 15411), (1401, 14355), (1485, 13543), (1595, 12609), (2335, 8613), (2871, 7005), (3915, 5137), (4203, 4785)]