20689632

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 108

約数和(自身を含む): 62407800

約数和(自身を除く): 41718168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 199, 228, 288, 304, 342, 361, 398, 456, 597, 608, 684, 722, 796, 912, 1083, 1194, 1368, 1444, 1592, 1791, 1824, 2166, 2388, 2736, 2888, 3184, 3249, 3582, 3781, 4332, 4776, 5472, 5776, 6368, 6498, 7164, 7562, 8664, 9552, 11343, 11552, 12996, 14328, 15124, 17328, 19104, 22686, 25992, 28656, 30248, 34029, 34656, 45372, 51984, 57312, 60496, 68058, 71839, 90744, 103968, 120992, 136116, 143678, 181488, 215517, 272232, 287356, 362976, 431034, 544464, 574712, 646551, 862068, 1088928, 1149424, 1293102, 1724136, 2298848, 2586204, 3448272, 5172408, 6896544, 10344816, 20689632]

約数ペア:

[(1, 20689632), (2, 10344816), (3, 6896544), (4, 5172408), (6, 3448272), (8, 2586204), (9, 2298848), (12, 1724136), (16, 1293102), (18, 1149424), (19, 1088928), (24, 862068), (32, 646551), (36, 574712), (38, 544464), (48, 431034), (57, 362976), (72, 287356), (76, 272232), (96, 215517), (114, 181488), (144, 143678), (152, 136116), (171, 120992), (199, 103968), (228, 90744), (288, 71839), (304, 68058), (342, 60496), (361, 57312), (398, 51984), (456, 45372), (597, 34656), (608, 34029), (684, 30248), (722, 28656), (796, 25992), (912, 22686), (1083, 19104), (1194, 17328), (1368, 15124), (1444, 14328), (1592, 12996), (1791, 11552), (1824, 11343), (2166, 9552), (2388, 8664), (2736, 7562), (2888, 7164), (3184, 6498), (3249, 6368), (3582, 5776), (3781, 5472), (4332, 4776)]