20753754

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{967}}^1$

素因数の和:1059

約数の個数: 48

約数和(自身を含む): 48996288

約数和(自身を除く): 28242534

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 73, 98, 146, 147, 219, 294, 438, 511, 967, 1022, 1533, 1934, 2901, 3066, 3577, 5802, 6769, 7154, 10731, 13538, 20307, 21462, 40614, 47383, 70591, 94766, 141182, 142149, 211773, 284298, 423546, 494137, 988274, 1482411, 2964822, 3458959, 6917918, 10376877, 20753754]

約数ペア:

[(1, 20753754), (2, 10376877), (3, 6917918), (6, 3458959), (7, 2964822), (14, 1482411), (21, 988274), (42, 494137), (49, 423546), (73, 284298), (98, 211773), (146, 142149), (147, 141182), (219, 94766), (294, 70591), (438, 47383), (511, 40614), (967, 21462), (1022, 20307), (1533, 13538), (1934, 10731), (2901, 7154), (3066, 6769), (3577, 5802)]