20205527610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:768

約数の個数: 128

約数和(自身を含む): 50050877184

約数和(自身を除く): 29845349574

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 197, 251, 257, 265, 318, 394, 502, 514, 530, 591, 753, 771, 795, 985, 1182, 1255, 1285, 1506, 1542, 1590, 1970, 2510, 2570, 2955, 3765, 3855, 5910, 7530, 7710, 10441, 13303, 13621, 20882, 26606, 27242, 31323, 39909, 40863, 49447, 50629, 52205, 62646, 64507, 66515, 68105, 79818, 81726, 98894, 101258, 104410, 129014, 133030, 136210, 148341, 151887, 156615, 193521, 199545, 204315, 247235, 253145, 296682, 303774, 313230, 322535, 387042, 399090, 408630, 494470, 506290, 645070, 741705, 759435, 967605, 1483410, 1518870, 1935210, 2620691, 2683337, 3418871, 5241382, 5366674, 6837742, 7862073, 8050011, 10256613, 12707879, 13103455, 13416685, 15724146, 16100022, 17094355, 20513226, 25415758, 26206910, 26833370, 34188710, 38123637, 39310365, 40250055, 51283065, 63539395, 76247274, 78620730, 80500110, 102566130, 127078790, 190618185, 381236370, 673517587, 1347035174, 2020552761, 3367587935, 4041105522, 6735175870, 10102763805, 20205527610]

約数ペア:

[(1, 20205527610), (2, 10102763805), (3, 6735175870), (5, 4041105522), (6, 3367587935), (10, 2020552761), (15, 1347035174), (30, 673517587), (53, 381236370), (106, 190618185), (159, 127078790), (197, 102566130), (251, 80500110), (257, 78620730), (265, 76247274), (318, 63539395), (394, 51283065), (502, 40250055), (514, 39310365), (530, 38123637), (591, 34188710), (753, 26833370), (771, 26206910), (795, 25415758), (985, 20513226), (1182, 17094355), (1255, 16100022), (1285, 15724146), (1506, 13416685), (1542, 13103455), (1590, 12707879), (1970, 10256613), (2510, 8050011), (2570, 7862073), (2955, 6837742), (3765, 5366674), (3855, 5241382), (5910, 3418871), (7530, 2683337), (7710, 2620691), (10441, 1935210), (13303, 1518870), (13621, 1483410), (20882, 967605), (26606, 759435), (27242, 741705), (31323, 645070), (39909, 506290), (40863, 494470), (49447, 408630), (50629, 399090), (52205, 387042), (62646, 322535), (64507, 313230), (66515, 303774), (68105, 296682), (79818, 253145), (81726, 247235), (98894, 204315), (101258, 199545), (104410, 193521), (129014, 156615), (133030, 151887), (136210, 148341)]