20663670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1365

約数の個数: 64

約数和(自身を含む): 54245376

約数和(自身を除く): 33581706

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 51, 62, 85, 93, 102, 155, 170, 186, 255, 310, 465, 510, 527, 930, 1054, 1307, 1581, 2614, 2635, 3162, 3921, 5270, 6535, 7842, 7905, 13070, 15810, 19605, 22219, 39210, 40517, 44438, 66657, 81034, 111095, 121551, 133314, 202585, 222190, 243102, 333285, 405170, 607755, 666570, 688789, 1215510, 1377578, 2066367, 3443945, 4132734, 6887890, 10331835, 20663670]

約数ペア:

[(1, 20663670), (2, 10331835), (3, 6887890), (5, 4132734), (6, 3443945), (10, 2066367), (15, 1377578), (17, 1215510), (30, 688789), (31, 666570), (34, 607755), (51, 405170), (62, 333285), (85, 243102), (93, 222190), (102, 202585), (155, 133314), (170, 121551), (186, 111095), (255, 81034), (310, 66657), (465, 44438), (510, 40517), (527, 39210), (930, 22219), (1054, 19605), (1307, 15810), (1581, 13070), (2614, 7905), (2635, 7842), (3162, 6535), (3921, 5270)]