20797384959

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{35081}}^1$

素因数の和:35669

約数の個数: 40

約数和(自身を含む): 33517904112

約数和(自身を除く): 12720519153

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 563, 1053, 1689, 5067, 7319, 15201, 21957, 35081, 45603, 65871, 105243, 197613, 315729, 456053, 592839, 947187, 1368159, 2841561, 4104477, 12313431, 19750603, 36940293, 59251809, 177755427, 256757839, 533266281, 770273517, 1599798843, 2310820551, 6932461653, 20797384959]

約数ペア:

[(1, 20797384959), (3, 6932461653), (9, 2310820551), (13, 1599798843), (27, 770273517), (39, 533266281), (81, 256757839), (117, 177755427), (351, 59251809), (563, 36940293), (1053, 19750603), (1689, 12313431), (5067, 4104477), (7319, 2841561), (15201, 1368159), (21957, 947187), (35081, 592839), (45603, 456053), (65871, 315729), (105243, 197613)]