20121626175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{1549}}^1$

素因数の和:1905

約数の個数: 96

約数和(自身を含む): 38563008000

約数和(自身を除く): 18441381825

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 109, 175, 227, 327, 525, 545, 681, 763, 1135, 1549, 1589, 1635, 2289, 2725, 3405, 3815, 4647, 4767, 5675, 7745, 7945, 8175, 10843, 11445, 17025, 19075, 23235, 23835, 24743, 32529, 38725, 39725, 54215, 57225, 74229, 116175, 119175, 123715, 162645, 168841, 173201, 271075, 351623, 371145, 506523, 519603, 618575, 813225, 844205, 866005, 1054869, 1181887, 1758115, 1855725, 2461361, 2532615, 2598015, 3545661, 4221025, 4330025, 5274345, 5909435, 7384083, 8790575, 12306805, 12663075, 12990075, 17728305, 26371725, 29547175, 36920415, 38326907, 61534025, 88641525, 114980721, 184602075, 191634535, 268288349, 574903605, 804865047, 958172675, 1341441745, 2874518025, 4024325235, 6707208725, 20121626175]

約数ペア:

[(1, 20121626175), (3, 6707208725), (5, 4024325235), (7, 2874518025), (15, 1341441745), (21, 958172675), (25, 804865047), (35, 574903605), (75, 268288349), (105, 191634535), (109, 184602075), (175, 114980721), (227, 88641525), (327, 61534025), (525, 38326907), (545, 36920415), (681, 29547175), (763, 26371725), (1135, 17728305), (1549, 12990075), (1589, 12663075), (1635, 12306805), (2289, 8790575), (2725, 7384083), (3405, 5909435), (3815, 5274345), (4647, 4330025), (4767, 4221025), (5675, 3545661), (7745, 2598015), (7945, 2532615), (8175, 2461361), (10843, 1855725), (11445, 1758115), (17025, 1181887), (19075, 1054869), (23235, 866005), (23835, 844205), (24743, 813225), (32529, 618575), (38725, 519603), (39725, 506523), (54215, 371145), (57225, 351623), (74229, 271075), (116175, 173201), (119175, 168841), (123715, 162645)]