20193743241

素因数分解:

$3^2\times 7^3\times {\mathrm{877}}^1\times {\mathrm{7459}}^1$

素因数の和:8363

約数の個数: 48

約数和(自身を含む): 34059376000

約数和(自身を除く): 13865632759

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 877, 1029, 2631, 3087, 6139, 7459, 7893, 18417, 22377, 42973, 52213, 55251, 67131, 128919, 156639, 300811, 365491, 386757, 469917, 902433, 1096473, 2558437, 2707299, 3289419, 6541543, 7675311, 19624629, 23025933, 45790801, 58873887, 137372403, 320535607, 412117209, 961606821, 2243749249, 2884820463, 6731247747, 20193743241]

約数ペア:

[(1, 20193743241), (3, 6731247747), (7, 2884820463), (9, 2243749249), (21, 961606821), (49, 412117209), (63, 320535607), (147, 137372403), (343, 58873887), (441, 45790801), (877, 23025933), (1029, 19624629), (2631, 7675311), (3087, 6541543), (6139, 3289419), (7459, 2707299), (7893, 2558437), (18417, 1096473), (22377, 902433), (42973, 469917), (52213, 386757), (55251, 365491), (67131, 300811), (128919, 156639)]