20506304

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:542

約数の個数: 84

約数和(自身を含む): 51078384

約数和(自身を除く): 30572080

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 448, 503, 637, 728, 784, 832, 1006, 1274, 1456, 1568, 2012, 2548, 2912, 3136, 3521, 4024, 5096, 5824, 6539, 7042, 8048, 10192, 13078, 14084, 16096, 20384, 24647, 26156, 28168, 32192, 40768, 45773, 49294, 52312, 56336, 91546, 98588, 104624, 112672, 183092, 197176, 209248, 225344, 320411, 366184, 394352, 418496, 640822, 732368, 788704, 1281644, 1464736, 1577408, 2563288, 2929472, 5126576, 10253152, 20506304]

約数ペア:

[(1, 20506304), (2, 10253152), (4, 5126576), (7, 2929472), (8, 2563288), (13, 1577408), (14, 1464736), (16, 1281644), (26, 788704), (28, 732368), (32, 640822), (49, 418496), (52, 394352), (56, 366184), (64, 320411), (91, 225344), (98, 209248), (104, 197176), (112, 183092), (182, 112672), (196, 104624), (208, 98588), (224, 91546), (364, 56336), (392, 52312), (416, 49294), (448, 45773), (503, 40768), (637, 32192), (728, 28168), (784, 26156), (832, 24647), (1006, 20384), (1274, 16096), (1456, 14084), (1568, 13078), (2012, 10192), (2548, 8048), (2912, 7042), (3136, 6539), (3521, 5824), (4024, 5096)]