20173992045

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1\times {\mathrm{761}}^1$

素因数の和:1466

約数の個数: 64

約数和(自身を含む): 34270248960

約数和(自身を除く): 14096256915

約数列:

[1, 3, 5, 15, 19, 57, 95, 191, 285, 487, 573, 761, 955, 1461, 2283, 2435, 2865, 3629, 3805, 7305, 9253, 10887, 11415, 14459, 18145, 27759, 43377, 46265, 54435, 72295, 93017, 138795, 145351, 216885, 279051, 370607, 436053, 465085, 726755, 1111821, 1395255, 1767323, 1853035, 2180265, 2761669, 5301969, 5559105, 7041533, 8285007, 8836615, 13808345, 21124599, 26509845, 35207665, 41425035, 70785937, 105622995, 212357811, 353929685, 1061789055, 1344932803, 4034798409, 6724664015, 20173992045]

約数ペア:

[(1, 20173992045), (3, 6724664015), (5, 4034798409), (15, 1344932803), (19, 1061789055), (57, 353929685), (95, 212357811), (191, 105622995), (285, 70785937), (487, 41425035), (573, 35207665), (761, 26509845), (955, 21124599), (1461, 13808345), (2283, 8836615), (2435, 8285007), (2865, 7041533), (3629, 5559105), (3805, 5301969), (7305, 2761669), (9253, 2180265), (10887, 1853035), (11415, 1767323), (14459, 1395255), (18145, 1111821), (27759, 726755), (43377, 465085), (46265, 436053), (54435, 370607), (72295, 279051), (93017, 216885), (138795, 145351)]