20892590656

素因数分解:

$2^6\times 7^1\times {\mathrm{73}}^1\times {\mathrm{638839}}^1$

素因数の和:638931

約数の個数: 56

約数和(自身を含む): 48030546560

約数和(自身を除く): 27137955904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 146, 224, 292, 448, 511, 584, 1022, 1168, 2044, 2336, 4088, 4672, 8176, 16352, 32704, 638839, 1277678, 2555356, 4471873, 5110712, 8943746, 10221424, 17887492, 20442848, 35774984, 40885696, 46635247, 71549968, 93270494, 143099936, 186540988, 286199872, 326446729, 373081976, 652893458, 746163952, 1305786916, 1492327904, 2611573832, 2984655808, 5223147664, 10446295328, 20892590656]

約数ペア:

[(1, 20892590656), (2, 10446295328), (4, 5223147664), (7, 2984655808), (8, 2611573832), (14, 1492327904), (16, 1305786916), (28, 746163952), (32, 652893458), (56, 373081976), (64, 326446729), (73, 286199872), (112, 186540988), (146, 143099936), (224, 93270494), (292, 71549968), (448, 46635247), (511, 40885696), (584, 35774984), (1022, 20442848), (1168, 17887492), (2044, 10221424), (2336, 8943746), (4088, 5110712), (4672, 4471873), (8176, 2555356), (16352, 1277678), (32704, 638839)]