20343359385

素因数分解:

$3^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1\times {\mathrm{643}}^1$

素因数の和:1260

約数の個数: 80

約数和(自身を含む): 36805063680

約数和(自身を除く): 16461704295

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 191, 405, 409, 573, 643, 955, 1227, 1719, 1929, 2045, 2865, 3215, 3681, 5157, 5787, 6135, 8595, 9645, 11043, 15471, 17361, 18405, 25785, 28935, 33129, 52083, 55215, 77355, 78119, 86805, 122813, 165645, 234357, 260415, 262987, 368439, 390595, 614065, 703071, 788961, 1105317, 1171785, 1314935, 1842195, 2109213, 2366883, 3315951, 3515355, 3944805, 5526585, 6327639, 7100649, 9947853, 10546065, 11834415, 16579755, 21301947, 31638195, 35503245, 49739265, 50230517, 106509735, 150691551, 251152585, 452074653, 753457755, 1356223959, 2260373265, 4068671877, 6781119795, 20343359385]

約数ペア:

[(1, 20343359385), (3, 6781119795), (5, 4068671877), (9, 2260373265), (15, 1356223959), (27, 753457755), (45, 452074653), (81, 251152585), (135, 150691551), (191, 106509735), (405, 50230517), (409, 49739265), (573, 35503245), (643, 31638195), (955, 21301947), (1227, 16579755), (1719, 11834415), (1929, 10546065), (2045, 9947853), (2865, 7100649), (3215, 6327639), (3681, 5526585), (5157, 3944805), (5787, 3515355), (6135, 3315951), (8595, 2366883), (9645, 2109213), (11043, 1842195), (15471, 1314935), (17361, 1171785), (18405, 1105317), (25785, 788961), (28935, 703071), (33129, 614065), (52083, 390595), (55215, 368439), (77355, 262987), (78119, 260415), (86805, 234357), (122813, 165645)]