20081787044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{140909}}^1$

素因数の和:141044

約数の個数: 48

約数和(自身を含む): 39770438400

約数和(自身を除く): 19688651356

約数列:

[1, 2, 4, 11, 22, 41, 44, 79, 82, 158, 164, 316, 451, 869, 902, 1738, 1804, 3239, 3476, 6478, 12956, 35629, 71258, 140909, 142516, 281818, 563636, 1549999, 3099998, 5777269, 6199996, 11131811, 11554538, 22263622, 23109076, 44527244, 63549959, 122449921, 127099918, 244899842, 254199836, 456404251, 489799684, 912808502, 1825617004, 5020446761, 10040893522, 20081787044]

約数ペア:

[(1, 20081787044), (2, 10040893522), (4, 5020446761), (11, 1825617004), (22, 912808502), (41, 489799684), (44, 456404251), (79, 254199836), (82, 244899842), (158, 127099918), (164, 122449921), (316, 63549959), (451, 44527244), (869, 23109076), (902, 22263622), (1738, 11554538), (1804, 11131811), (3239, 6199996), (3476, 5777269), (6478, 3099998), (12956, 1549999), (35629, 563636), (71258, 281818), (140909, 142516)]