20178759523

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1\times {\mathrm{2393}}^1$

素因数の和:2863

約数の個数: 32

約数和(自身を含む): 22863810816

約数和(自身を除く): 2685051293

約数列:

[1, 13, 37, 47, 373, 481, 611, 1739, 2393, 4849, 13801, 17531, 22607, 31109, 88541, 112471, 179413, 227903, 648647, 892589, 1151033, 1462123, 4161427, 8432411, 11603657, 33025793, 41951683, 54098551, 429335309, 545371879, 1552212271, 20178759523]

約数ペア:

[(1, 20178759523), (13, 1552212271), (37, 545371879), (47, 429335309), (373, 54098551), (481, 41951683), (611, 33025793), (1739, 11603657), (2393, 8432411), (4849, 4161427), (13801, 1462123), (17531, 1151033), (22607, 892589), (31109, 648647), (88541, 227903), (112471, 179413)]