20199089488

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1\times {\mathrm{1213}}^1$

素因数の和:1616

約数の個数: 80

約数和(自身を含む): 40604075280

約数和(自身を除く): 20404985792

約数列:

[1, 2, 4, 8, 16, 53, 73, 106, 146, 212, 269, 292, 424, 538, 584, 848, 1076, 1168, 1213, 2152, 2426, 3869, 4304, 4852, 7738, 9704, 14257, 15476, 19408, 19637, 28514, 30952, 39274, 57028, 61904, 64289, 78548, 88549, 114056, 128578, 157096, 177098, 228112, 257156, 314192, 326297, 354196, 514312, 652594, 708392, 1028624, 1040761, 1305188, 1416784, 2081522, 2610376, 4163044, 4693097, 5220752, 8326088, 9386194, 16652176, 17293741, 18772388, 23819681, 34587482, 37544776, 47639362, 69174964, 75089552, 95278724, 138349928, 190557448, 276699856, 381114896, 1262443093, 2524886186, 5049772372, 10099544744, 20199089488]

約数ペア:

[(1, 20199089488), (2, 10099544744), (4, 5049772372), (8, 2524886186), (16, 1262443093), (53, 381114896), (73, 276699856), (106, 190557448), (146, 138349928), (212, 95278724), (269, 75089552), (292, 69174964), (424, 47639362), (538, 37544776), (584, 34587482), (848, 23819681), (1076, 18772388), (1168, 17293741), (1213, 16652176), (2152, 9386194), (2426, 8326088), (3869, 5220752), (4304, 4693097), (4852, 4163044), (7738, 2610376), (9704, 2081522), (14257, 1416784), (15476, 1305188), (19408, 1040761), (19637, 1028624), (28514, 708392), (30952, 652594), (39274, 514312), (57028, 354196), (61904, 326297), (64289, 314192), (78548, 257156), (88549, 228112), (114056, 177098), (128578, 157096)]