20565570810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{72031}}^1$

素因数の和:72379

約数の個数: 64

約数和(自身を含む): 51116212224

約数和(自身を除く): 30550641414

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 307, 310, 465, 614, 921, 930, 1535, 1842, 3070, 4605, 9210, 9517, 19034, 28551, 47585, 57102, 72031, 95170, 142755, 144062, 216093, 285510, 360155, 432186, 720310, 1080465, 2160930, 2232961, 4465922, 6698883, 11164805, 13397766, 22113517, 22329610, 33494415, 44227034, 66340551, 66988830, 110567585, 132681102, 221135170, 331702755, 663405510, 685519027, 1371038054, 2056557081, 3427595135, 4113114162, 6855190270, 10282785405, 20565570810]

約数ペア:

[(1, 20565570810), (2, 10282785405), (3, 6855190270), (5, 4113114162), (6, 3427595135), (10, 2056557081), (15, 1371038054), (30, 685519027), (31, 663405510), (62, 331702755), (93, 221135170), (155, 132681102), (186, 110567585), (307, 66988830), (310, 66340551), (465, 44227034), (614, 33494415), (921, 22329610), (930, 22113517), (1535, 13397766), (1842, 11164805), (3070, 6698883), (4605, 4465922), (9210, 2232961), (9517, 2160930), (19034, 1080465), (28551, 720310), (47585, 432186), (57102, 360155), (72031, 285510), (95170, 216093), (142755, 144062)]