20227978940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{35803}}^1$

素因数の和:35919

約数の個数: 96

約数和(自身を含む): 47747641536

約数和(自身を除く): 27519662596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 53, 65, 82, 106, 130, 164, 205, 212, 260, 265, 410, 530, 533, 689, 820, 1060, 1066, 1378, 2132, 2173, 2665, 2756, 3445, 4346, 5330, 6890, 8692, 10660, 10865, 13780, 21730, 28249, 35803, 43460, 56498, 71606, 112996, 141245, 143212, 179015, 282490, 358030, 465439, 564980, 716060, 930878, 1467923, 1861756, 1897559, 2327195, 2935846, 3795118, 4654390, 5871692, 7339615, 7590236, 9308780, 9487795, 14679230, 18975590, 19082999, 24668267, 29358460, 37951180, 38165998, 49336534, 76331996, 77799919, 95414995, 98673068, 123341335, 155599838, 190829990, 246682670, 311199676, 381659980, 388999595, 493365340, 777999190, 1011398947, 1555998380, 2022797894, 4045595788, 5056994735, 10113989470, 20227978940]

約数ペア:

[(1, 20227978940), (2, 10113989470), (4, 5056994735), (5, 4045595788), (10, 2022797894), (13, 1555998380), (20, 1011398947), (26, 777999190), (41, 493365340), (52, 388999595), (53, 381659980), (65, 311199676), (82, 246682670), (106, 190829990), (130, 155599838), (164, 123341335), (205, 98673068), (212, 95414995), (260, 77799919), (265, 76331996), (410, 49336534), (530, 38165998), (533, 37951180), (689, 29358460), (820, 24668267), (1060, 19082999), (1066, 18975590), (1378, 14679230), (2132, 9487795), (2173, 9308780), (2665, 7590236), (2756, 7339615), (3445, 5871692), (4346, 4654390), (5330, 3795118), (6890, 2935846), (8692, 2327195), (10660, 1897559), (10865, 1861756), (13780, 1467923), (21730, 930878), (28249, 716060), (35803, 564980), (43460, 465439), (56498, 358030), (71606, 282490), (112996, 179015), (141245, 143212)]