20055438

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 80

約数和(自身を含む): 49397040

約数和(自身を除く): 29341602

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 89, 107, 117, 162, 178, 214, 234, 267, 321, 351, 534, 642, 702, 801, 963, 1053, 1157, 1391, 1602, 1926, 2106, 2314, 2403, 2782, 2889, 3471, 4173, 4806, 5778, 6942, 7209, 8346, 8667, 9523, 10413, 12519, 14418, 17334, 19046, 20826, 25038, 28569, 31239, 37557, 57138, 62478, 75114, 85707, 93717, 112671, 123799, 171414, 187434, 225342, 247598, 257121, 371397, 514242, 742794, 771363, 1114191, 1542726, 2228382, 3342573, 6685146, 10027719, 20055438]

約数ペア:

[(1, 20055438), (2, 10027719), (3, 6685146), (6, 3342573), (9, 2228382), (13, 1542726), (18, 1114191), (26, 771363), (27, 742794), (39, 514242), (54, 371397), (78, 257121), (81, 247598), (89, 225342), (107, 187434), (117, 171414), (162, 123799), (178, 112671), (214, 93717), (234, 85707), (267, 75114), (321, 62478), (351, 57138), (534, 37557), (642, 31239), (702, 28569), (801, 25038), (963, 20826), (1053, 19046), (1157, 17334), (1391, 14418), (1602, 12519), (1926, 10413), (2106, 9523), (2314, 8667), (2403, 8346), (2782, 7209), (2889, 6942), (3471, 5778), (4173, 4806)]