20781617736

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1709}}^1\times {\mathrm{46061}}^1$

素因数の和:47790

約数の個数: 64

約数和(自身を含む): 56711534400

約数和(自身を除く): 35929916664

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 1709, 3418, 5127, 6836, 10254, 13672, 18799, 20508, 37598, 41016, 46061, 56397, 75196, 92122, 112794, 138183, 150392, 184244, 225588, 276366, 368488, 451176, 506671, 552732, 1013342, 1105464, 1520013, 2026684, 3040026, 4053368, 6080052, 12160104, 78718249, 157436498, 236154747, 314872996, 472309494, 629745992, 865900739, 944618988, 1731801478, 1889237976, 2597702217, 3463602956, 5195404434, 6927205912, 10390808868, 20781617736]

約数ペア:

[(1, 20781617736), (2, 10390808868), (3, 6927205912), (4, 5195404434), (6, 3463602956), (8, 2597702217), (11, 1889237976), (12, 1731801478), (22, 944618988), (24, 865900739), (33, 629745992), (44, 472309494), (66, 314872996), (88, 236154747), (132, 157436498), (264, 78718249), (1709, 12160104), (3418, 6080052), (5127, 4053368), (6836, 3040026), (10254, 2026684), (13672, 1520013), (18799, 1105464), (20508, 1013342), (37598, 552732), (41016, 506671), (46061, 451176), (56397, 368488), (75196, 276366), (92122, 225588), (112794, 184244), (138183, 150392)]