20148635468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{15401}}^1$

素因数の和:15738

約数の個数: 48

約数和(自身を含む): 38459410080

約数和(自身を除く): 18310774612

約数列:

[1, 2, 4, 13, 26, 52, 139, 181, 278, 362, 556, 724, 1807, 2353, 3614, 4706, 7228, 9412, 15401, 25159, 30802, 50318, 61604, 100636, 200213, 327067, 400426, 654134, 800852, 1308268, 2140739, 2787581, 4281478, 5575162, 8562956, 11150324, 27829607, 36238553, 55659214, 72477106, 111318428, 144954212, 387473759, 774947518, 1549895036, 5037158867, 10074317734, 20148635468]

約数ペア:

[(1, 20148635468), (2, 10074317734), (4, 5037158867), (13, 1549895036), (26, 774947518), (52, 387473759), (139, 144954212), (181, 111318428), (278, 72477106), (362, 55659214), (556, 36238553), (724, 27829607), (1807, 11150324), (2353, 8562956), (3614, 5575162), (4706, 4281478), (7228, 2787581), (9412, 2140739), (15401, 1308268), (25159, 800852), (30802, 654134), (50318, 400426), (61604, 327067), (100636, 200213)]