20348746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 34551360

約数和(自身を除く): 14202614

約数列:

[1, 2, 11, 22, 59, 61, 118, 122, 257, 514, 649, 671, 1298, 1342, 2827, 3599, 5654, 7198, 15163, 15677, 30326, 31354, 39589, 79178, 166793, 172447, 333586, 344894, 924943, 1849886, 10174373, 20348746]

約数ペア:

[(1, 20348746), (2, 10174373), (11, 1849886), (22, 924943), (59, 344894), (61, 333586), (118, 172447), (122, 166793), (257, 79178), (514, 39589), (649, 31354), (671, 30326), (1298, 15677), (1342, 15163), (2827, 7198), (3599, 5654)]