20177854976

素因数分解:

$2^9\times {\mathrm{619}}^1\times {\mathrm{63667}}^1$

素因数の和:64304

約数の個数: 40

約数和(自身を含む): 40382065680

約数和(自身を除く): 20204210704

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 619, 1238, 2476, 4952, 9904, 19808, 39616, 63667, 79232, 127334, 158464, 254668, 316928, 509336, 1018672, 2037344, 4074688, 8149376, 16298752, 32597504, 39409873, 78819746, 157639492, 315278984, 630557968, 1261115936, 2522231872, 5044463744, 10088927488, 20177854976]

約数ペア:

[(1, 20177854976), (2, 10088927488), (4, 5044463744), (8, 2522231872), (16, 1261115936), (32, 630557968), (64, 315278984), (128, 157639492), (256, 78819746), (512, 39409873), (619, 32597504), (1238, 16298752), (2476, 8149376), (4952, 4074688), (9904, 2037344), (19808, 1018672), (39616, 509336), (63667, 316928), (79232, 254668), (127334, 158464)]