20397779584

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^1\times {\mathrm{250169}}^1$

素因数の和:250210

約数の個数: 96

約数和(自身を含む): 50907093300

約数和(自身を除く): 30509313716

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 364, 392, 416, 448, 637, 728, 784, 832, 896, 1274, 1456, 1568, 1664, 2548, 2912, 3136, 5096, 5824, 6272, 10192, 11648, 20384, 40768, 81536, 250169, 500338, 1000676, 1751183, 2001352, 3252197, 3502366, 4002704, 6504394, 7004732, 8005408, 12258281, 13008788, 14009464, 16010816, 22765379, 24516562, 26017576, 28018928, 32021632, 45530758, 49033124, 52035152, 56037856, 91061516, 98066248, 104070304, 112075712, 159357653, 182123032, 196132496, 208140608, 224151424, 318715306, 364246064, 392264992, 416281216, 637430612, 728492128, 784529984, 1274861224, 1456984256, 1569059968, 2549722448, 2913968512, 5099444896, 10198889792, 20397779584]

約数ペア:

[(1, 20397779584), (2, 10198889792), (4, 5099444896), (7, 2913968512), (8, 2549722448), (13, 1569059968), (14, 1456984256), (16, 1274861224), (26, 784529984), (28, 728492128), (32, 637430612), (49, 416281216), (52, 392264992), (56, 364246064), (64, 318715306), (91, 224151424), (98, 208140608), (104, 196132496), (112, 182123032), (128, 159357653), (182, 112075712), (196, 104070304), (208, 98066248), (224, 91061516), (364, 56037856), (392, 52035152), (416, 49033124), (448, 45530758), (637, 32021632), (728, 28018928), (784, 26017576), (832, 24516562), (896, 22765379), (1274, 16010816), (1456, 14009464), (1568, 13008788), (1664, 12258281), (2548, 8005408), (2912, 7004732), (3136, 6504394), (5096, 4002704), (5824, 3502366), (6272, 3252197), (10192, 2001352), (11648, 1751183), (20384, 1000676), (40768, 500338), (81536, 250169)]