20508717285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1\times {\mathrm{983}}^1$

素因数の和:1727

約数の個数: 96

約数和(自身を含む): 41114511360

約数和(自身を除く): 20605794075

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 107, 315, 321, 535, 619, 749, 963, 983, 1605, 1857, 2247, 2949, 3095, 3745, 4333, 4815, 4915, 5571, 6741, 6881, 8847, 9285, 11235, 12999, 14745, 20643, 21665, 27855, 33705, 34405, 38997, 44235, 61929, 64995, 66233, 103215, 105181, 194985, 198699, 309645, 315543, 331165, 463631, 525905, 596097, 608477, 736267, 946629, 993495, 1390893, 1577715, 1825431, 2208801, 2318155, 2980485, 3042385, 3681335, 4172679, 4259339, 4733145, 5476293, 6626403, 6954465, 9127155, 11044005, 12778017, 20863395, 21296695, 27381465, 33132015, 38334051, 63890085, 65107039, 191670255, 195321117, 325535195, 455749273, 585963351, 976605585, 1367247819, 2278746365, 2929816755, 4101743457, 6836239095, 20508717285]

約数ペア:

[(1, 20508717285), (3, 6836239095), (5, 4101743457), (7, 2929816755), (9, 2278746365), (15, 1367247819), (21, 976605585), (35, 585963351), (45, 455749273), (63, 325535195), (105, 195321117), (107, 191670255), (315, 65107039), (321, 63890085), (535, 38334051), (619, 33132015), (749, 27381465), (963, 21296695), (983, 20863395), (1605, 12778017), (1857, 11044005), (2247, 9127155), (2949, 6954465), (3095, 6626403), (3745, 5476293), (4333, 4733145), (4815, 4259339), (4915, 4172679), (5571, 3681335), (6741, 3042385), (6881, 2980485), (8847, 2318155), (9285, 2208801), (11235, 1825431), (12999, 1577715), (14745, 1390893), (20643, 993495), (21665, 946629), (27855, 736267), (33705, 608477), (34405, 596097), (38997, 525905), (44235, 463631), (61929, 331165), (64995, 315543), (66233, 309645), (103215, 198699), (105181, 194985)]