20129984

素因数分解:

$2^6\times 7^4\times {\mathrm{131}}^1$

素因数の和:171

約数の個数: 70

約数和(自身を含む): 46955964

約数和(自身を除く): 26825980

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 131, 196, 224, 262, 343, 392, 448, 524, 686, 784, 917, 1048, 1372, 1568, 1834, 2096, 2401, 2744, 3136, 3668, 4192, 4802, 5488, 6419, 7336, 8384, 9604, 10976, 12838, 14672, 19208, 21952, 25676, 29344, 38416, 44933, 51352, 58688, 76832, 89866, 102704, 153664, 179732, 205408, 314531, 359464, 410816, 629062, 718928, 1258124, 1437856, 2516248, 2875712, 5032496, 10064992, 20129984]

約数ペア:

[(1, 20129984), (2, 10064992), (4, 5032496), (7, 2875712), (8, 2516248), (14, 1437856), (16, 1258124), (28, 718928), (32, 629062), (49, 410816), (56, 359464), (64, 314531), (98, 205408), (112, 179732), (131, 153664), (196, 102704), (224, 89866), (262, 76832), (343, 58688), (392, 51352), (448, 44933), (524, 38416), (686, 29344), (784, 25676), (917, 21952), (1048, 19208), (1372, 14672), (1568, 12838), (1834, 10976), (2096, 9604), (2401, 8384), (2744, 7336), (3136, 6419), (3668, 5488), (4192, 4802)]