20171520696

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1\times {\mathrm{241}}^1$

素因数の和:522

約数の個数: 192

約数和(自身を含む): 55366502400

約数和(自身を除く): 35194981704

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 191, 228, 241, 248, 372, 382, 456, 482, 573, 589, 723, 744, 764, 961, 964, 1146, 1178, 1446, 1528, 1767, 1922, 1928, 2292, 2356, 2883, 2892, 3534, 3629, 3844, 4579, 4584, 4712, 5766, 5784, 5921, 7068, 7258, 7471, 7688, 9158, 10887, 11532, 11842, 13737, 14136, 14516, 14942, 17763, 18259, 18316, 21774, 22413, 23064, 23684, 27474, 29032, 29884, 35526, 36518, 36632, 43548, 44826, 46031, 47368, 54777, 54948, 59768, 71052, 73036, 87096, 89652, 92062, 109554, 109896, 112499, 138093, 141949, 142104, 146072, 179304, 183551, 184124, 219108, 224998, 231601, 276186, 283898, 337497, 367102, 368248, 425847, 438216, 449996, 463202, 550653, 552372, 567796, 674994, 694803, 734204, 851694, 874589, 899992, 926404, 1101306, 1104744, 1135592, 1349988, 1389606, 1426961, 1468408, 1703388, 1749178, 1852808, 2202612, 2623767, 2699976, 2779212, 2853922, 3406776, 3487469, 3498356, 4280883, 4400419, 4405224, 5247534, 5558424, 5707844, 6974938, 6996712, 8561766, 8800838, 10462407, 10495068, 11415688, 13201257, 13949876, 17123532, 17601676, 20924814, 20990136, 26402514, 27112259, 27899752, 34247064, 35203352, 41849628, 44235791, 52805028, 54224518, 81336777, 83699256, 88471582, 105610056, 108449036, 132707373, 162673554, 176943164, 216898072, 265414746, 325347108, 353886328, 530829492, 650694216, 840480029, 1061658984, 1680960058, 2521440087, 3361920116, 5042880174, 6723840232, 10085760348, 20171520696]

約数ペア:

[(1, 20171520696), (2, 10085760348), (3, 6723840232), (4, 5042880174), (6, 3361920116), (8, 2521440087), (12, 1680960058), (19, 1061658984), (24, 840480029), (31, 650694216), (38, 530829492), (57, 353886328), (62, 325347108), (76, 265414746), (93, 216898072), (114, 176943164), (124, 162673554), (152, 132707373), (186, 108449036), (191, 105610056), (228, 88471582), (241, 83699256), (248, 81336777), (372, 54224518), (382, 52805028), (456, 44235791), (482, 41849628), (573, 35203352), (589, 34247064), (723, 27899752), (744, 27112259), (764, 26402514), (961, 20990136), (964, 20924814), (1146, 17601676), (1178, 17123532), (1446, 13949876), (1528, 13201257), (1767, 11415688), (1922, 10495068), (1928, 10462407), (2292, 8800838), (2356, 8561766), (2883, 6996712), (2892, 6974938), (3534, 5707844), (3629, 5558424), (3844, 5247534), (4579, 4405224), (4584, 4400419), (4712, 4280883), (5766, 3498356), (5784, 3487469), (5921, 3406776), (7068, 2853922), (7258, 2779212), (7471, 2699976), (7688, 2623767), (9158, 2202612), (10887, 1852808), (11532, 1749178), (11842, 1703388), (13737, 1468408), (14136, 1426961), (14516, 1389606), (14942, 1349988), (17763, 1135592), (18259, 1104744), (18316, 1101306), (21774, 926404), (22413, 899992), (23064, 874589), (23684, 851694), (27474, 734204), (29032, 694803), (29884, 674994), (35526, 567796), (36518, 552372), (36632, 550653), (43548, 463202), (44826, 449996), (46031, 438216), (47368, 425847), (54777, 368248), (54948, 367102), (59768, 337497), (71052, 283898), (73036, 276186), (87096, 231601), (89652, 224998), (92062, 219108), (109554, 184124), (109896, 183551), (112499, 179304), (138093, 146072), (141949, 142104)]