20100741836

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3511}}^1\times {\mathrm{4987}}^1$

素因数の和:8550

約数の個数: 48

約数和(自身を含む): 41201997312

約数和(自身を除く): 21101255476

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 3511, 4987, 7022, 9974, 14044, 19948, 24577, 34909, 49154, 69818, 98308, 139636, 143951, 204467, 287902, 408934, 575804, 817868, 1007657, 1431269, 2015314, 2862538, 4030628, 5725076, 17509357, 35018714, 70037428, 122565499, 245130998, 490261996, 717883637, 1435767274, 2871534548, 5025185459, 10050370918, 20100741836]

約数ペア:

[(1, 20100741836), (2, 10050370918), (4, 5025185459), (7, 2871534548), (14, 1435767274), (28, 717883637), (41, 490261996), (82, 245130998), (164, 122565499), (287, 70037428), (574, 35018714), (1148, 17509357), (3511, 5725076), (4987, 4030628), (7022, 2862538), (9974, 2015314), (14044, 1431269), (19948, 1007657), (24577, 817868), (34909, 575804), (49154, 408934), (69818, 287902), (98308, 204467), (139636, 143951)]