20658800512

素因数分解:

$2^7\times 7^1\times {\mathrm{1523}}^1\times {\mathrm{15139}}^1$

素因数の和:16683

約数の個数: 64

約数和(自身を含む): 47069654400

約数和(自身を除く): 26410853888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 1523, 3046, 6092, 10661, 12184, 15139, 21322, 24368, 30278, 42644, 48736, 60556, 85288, 97472, 105973, 121112, 170576, 194944, 211946, 242224, 341152, 423892, 484448, 682304, 847784, 968896, 1364608, 1695568, 1937792, 3391136, 6782272, 13564544, 23056697, 46113394, 92226788, 161396879, 184453576, 322793758, 368907152, 645587516, 737814304, 1291175032, 1475628608, 2582350064, 2951257216, 5164700128, 10329400256, 20658800512]

約数ペア:

[(1, 20658800512), (2, 10329400256), (4, 5164700128), (7, 2951257216), (8, 2582350064), (14, 1475628608), (16, 1291175032), (28, 737814304), (32, 645587516), (56, 368907152), (64, 322793758), (112, 184453576), (128, 161396879), (224, 92226788), (448, 46113394), (896, 23056697), (1523, 13564544), (3046, 6782272), (6092, 3391136), (10661, 1937792), (12184, 1695568), (15139, 1364608), (21322, 968896), (24368, 847784), (30278, 682304), (42644, 484448), (48736, 423892), (60556, 341152), (85288, 242224), (97472, 211946), (105973, 194944), (121112, 170576)]