20590428

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1223}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 50996736

約数和(自身を除く): 30406308

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 61, 69, 92, 122, 138, 183, 244, 276, 366, 732, 1223, 1403, 2446, 2806, 3669, 4209, 4892, 5612, 7338, 8418, 14676, 16836, 28129, 56258, 74603, 84387, 112516, 149206, 168774, 223809, 298412, 337548, 447618, 895236, 1715869, 3431738, 5147607, 6863476, 10295214, 20590428]

約数ペア:

[(1, 20590428), (2, 10295214), (3, 6863476), (4, 5147607), (6, 3431738), (12, 1715869), (23, 895236), (46, 447618), (61, 337548), (69, 298412), (92, 223809), (122, 168774), (138, 149206), (183, 112516), (244, 84387), (276, 74603), (366, 56258), (732, 28129), (1223, 16836), (1403, 14676), (2446, 8418), (2806, 7338), (3669, 5612), (4209, 4892)]