20424752

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1317

約数の個数: 40

約数和(自身を含む): 42622272

約数和(自身を除く): 22197520

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 1231, 2074, 2462, 4148, 4924, 8296, 9848, 16592, 19696, 20927, 41854, 75091, 83708, 150182, 167416, 300364, 334832, 600728, 1201456, 1276547, 2553094, 5106188, 10212376, 20424752]

約数ペア:

[(1, 20424752), (2, 10212376), (4, 5106188), (8, 2553094), (16, 1276547), (17, 1201456), (34, 600728), (61, 334832), (68, 300364), (122, 167416), (136, 150182), (244, 83708), (272, 75091), (488, 41854), (976, 20927), (1037, 19696), (1231, 16592), (2074, 9848), (2462, 8296), (4148, 4924)]