20789034

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2331

約数の個数: 48

約数和(自身を含む): 49948416

約数和(自身を除く): 29159382

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 93, 98, 147, 186, 217, 294, 434, 651, 1302, 1519, 2281, 3038, 4557, 4562, 6843, 9114, 13686, 15967, 31934, 47901, 70711, 95802, 111769, 141422, 212133, 223538, 335307, 424266, 494977, 670614, 989954, 1484931, 2969862, 3464839, 6929678, 10394517, 20789034]

約数ペア:

[(1, 20789034), (2, 10394517), (3, 6929678), (6, 3464839), (7, 2969862), (14, 1484931), (21, 989954), (31, 670614), (42, 494977), (49, 424266), (62, 335307), (93, 223538), (98, 212133), (147, 141422), (186, 111769), (217, 95802), (294, 70711), (434, 47901), (651, 31934), (1302, 15967), (1519, 13686), (2281, 9114), (3038, 6843), (4557, 4562)]