20856768

素因数分解:

$2^6\times 3^1\times {\mathrm{23}}^1\times {\mathrm{4723}}^1$

素因数の和:4761

約数の個数: 56

約数和(自身を含む): 57595008

約数和(自身を除く): 36738240

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 138, 184, 192, 276, 368, 552, 736, 1104, 1472, 2208, 4416, 4723, 9446, 14169, 18892, 28338, 37784, 56676, 75568, 108629, 113352, 151136, 217258, 226704, 302272, 325887, 434516, 453408, 651774, 869032, 906816, 1303548, 1738064, 2607096, 3476128, 5214192, 6952256, 10428384, 20856768]

約数ペア:

[(1, 20856768), (2, 10428384), (3, 6952256), (4, 5214192), (6, 3476128), (8, 2607096), (12, 1738064), (16, 1303548), (23, 906816), (24, 869032), (32, 651774), (46, 453408), (48, 434516), (64, 325887), (69, 302272), (92, 226704), (96, 217258), (138, 151136), (184, 113352), (192, 108629), (276, 75568), (368, 56676), (552, 37784), (736, 28338), (1104, 18892), (1472, 14169), (2208, 9446), (4416, 4723)]