20121529908

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{1901}}^1$

素因数の和:2305

約数の個数: 96

約数和(自身を含む): 48899233152

約数和(自身を除く): 28777703244

約数列:

[1, 2, 3, 4, 6, 12, 43, 73, 86, 129, 146, 172, 219, 258, 281, 292, 438, 516, 562, 843, 876, 1124, 1686, 1901, 3139, 3372, 3802, 5703, 6278, 7604, 9417, 11406, 12083, 12556, 18834, 20513, 22812, 24166, 36249, 37668, 41026, 48332, 61539, 72498, 81743, 82052, 123078, 138773, 144996, 163486, 245229, 246156, 277546, 326972, 416319, 490458, 534181, 555092, 832638, 882059, 980916, 1068362, 1602543, 1665276, 1764118, 2136724, 2646177, 3205086, 3528236, 5292354, 5967239, 6410172, 10584708, 11934478, 17901717, 22969783, 23868956, 35803434, 38995213, 45939566, 68909349, 71606868, 77990426, 91879132, 116985639, 137818698, 155980852, 233971278, 275637396, 467942556, 1676794159, 3353588318, 5030382477, 6707176636, 10060764954, 20121529908]

約数ペア:

[(1, 20121529908), (2, 10060764954), (3, 6707176636), (4, 5030382477), (6, 3353588318), (12, 1676794159), (43, 467942556), (73, 275637396), (86, 233971278), (129, 155980852), (146, 137818698), (172, 116985639), (219, 91879132), (258, 77990426), (281, 71606868), (292, 68909349), (438, 45939566), (516, 38995213), (562, 35803434), (843, 23868956), (876, 22969783), (1124, 17901717), (1686, 11934478), (1901, 10584708), (3139, 6410172), (3372, 5967239), (3802, 5292354), (5703, 3528236), (6278, 3205086), (7604, 2646177), (9417, 2136724), (11406, 1764118), (12083, 1665276), (12556, 1602543), (18834, 1068362), (20513, 980916), (22812, 882059), (24166, 832638), (36249, 555092), (37668, 534181), (41026, 490458), (48332, 416319), (61539, 326972), (72498, 277546), (81743, 246156), (82052, 245229), (123078, 163486), (138773, 144996)]