20128776885

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{3042899}}^1$

素因数の和:3042927

約数の個数: 48

約数和(自身を含む): 41626872000

約数和(自身を除く): 21498095115

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 6615, 3042899, 9128697, 15214495, 21300293, 27386091, 45643485, 63900879, 82158273, 106501465, 136930455, 149102051, 191702637, 319504395, 410791365, 447306153, 575107911, 745510255, 958513185, 1341918459, 2236530765, 2875539555, 4025755377, 6709592295, 20128776885]

約数ペア:

[(1, 20128776885), (3, 6709592295), (5, 4025755377), (7, 2875539555), (9, 2236530765), (15, 1341918459), (21, 958513185), (27, 745510255), (35, 575107911), (45, 447306153), (49, 410791365), (63, 319504395), (105, 191702637), (135, 149102051), (147, 136930455), (189, 106501465), (245, 82158273), (315, 63900879), (441, 45643485), (735, 27386091), (945, 21300293), (1323, 15214495), (2205, 9128697), (6615, 3042899)]