20921856396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{296159}}^1$

素因数の和:296231

約数の個数: 72

約数和(自身を含む): 57782000640

約数和(自身を除く): 36860144244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 841, 1218, 1682, 2436, 2523, 3364, 5046, 5887, 10092, 11774, 17661, 23548, 35322, 70644, 296159, 592318, 888477, 1184636, 1776954, 2073113, 3553908, 4146226, 6219339, 8292452, 8588611, 12438678, 17177222, 24877356, 25765833, 34354444, 51531666, 60120277, 103063332, 120240554, 180360831, 240481108, 249069719, 360721662, 498139438, 721443324, 747209157, 996278876, 1494418314, 1743488033, 2988836628, 3486976066, 5230464099, 6973952132, 10460928198, 20921856396]

約数ペア:

[(1, 20921856396), (2, 10460928198), (3, 6973952132), (4, 5230464099), (6, 3486976066), (7, 2988836628), (12, 1743488033), (14, 1494418314), (21, 996278876), (28, 747209157), (29, 721443324), (42, 498139438), (58, 360721662), (84, 249069719), (87, 240481108), (116, 180360831), (174, 120240554), (203, 103063332), (348, 60120277), (406, 51531666), (609, 34354444), (812, 25765833), (841, 24877356), (1218, 17177222), (1682, 12438678), (2436, 8588611), (2523, 8292452), (3364, 6219339), (5046, 4146226), (5887, 3553908), (10092, 2073113), (11774, 1776954), (17661, 1184636), (23548, 888477), (35322, 592318), (70644, 296159)]