20696988032

素因数分解:

$2^7\times 7^1\times {\mathrm{73}}^1\times {\mathrm{316429}}^1$

素因数の和:316523

約数の個数: 64

約数和(自身を含む): 47768272800

約数和(自身を除く): 27071284768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 292, 448, 511, 584, 896, 1022, 1168, 2044, 2336, 4088, 4672, 8176, 9344, 16352, 32704, 65408, 316429, 632858, 1265716, 2215003, 2531432, 4430006, 5062864, 8860012, 10125728, 17720024, 20251456, 23099317, 35440048, 40502912, 46198634, 70880096, 92397268, 141760192, 161695219, 184794536, 283520384, 323390438, 369589072, 646780876, 739178144, 1293561752, 1478356288, 2587123504, 2956712576, 5174247008, 10348494016, 20696988032]

約数ペア:

[(1, 20696988032), (2, 10348494016), (4, 5174247008), (7, 2956712576), (8, 2587123504), (14, 1478356288), (16, 1293561752), (28, 739178144), (32, 646780876), (56, 369589072), (64, 323390438), (73, 283520384), (112, 184794536), (128, 161695219), (146, 141760192), (224, 92397268), (292, 70880096), (448, 46198634), (511, 40502912), (584, 35440048), (896, 23099317), (1022, 20251456), (1168, 17720024), (2044, 10125728), (2336, 8860012), (4088, 5062864), (4672, 4430006), (8176, 2531432), (9344, 2215003), (16352, 1265716), (32704, 632858), (65408, 316429)]