20555584

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2699}}^1$

素因数の和:2735

約数の個数: 56

約数和(自身を含む): 49377600

約数和(自身を除く): 28822016

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 224, 238, 272, 448, 476, 544, 952, 1088, 1904, 2699, 3808, 5398, 7616, 10796, 18893, 21592, 37786, 43184, 45883, 75572, 86368, 91766, 151144, 172736, 183532, 302288, 321181, 367064, 604576, 642362, 734128, 1209152, 1284724, 1468256, 2569448, 2936512, 5138896, 10277792, 20555584]

約数ペア:

[(1, 20555584), (2, 10277792), (4, 5138896), (7, 2936512), (8, 2569448), (14, 1468256), (16, 1284724), (17, 1209152), (28, 734128), (32, 642362), (34, 604576), (56, 367064), (64, 321181), (68, 302288), (112, 183532), (119, 172736), (136, 151144), (224, 91766), (238, 86368), (272, 75572), (448, 45883), (476, 43184), (544, 37786), (952, 21592), (1088, 18893), (1904, 10796), (2699, 7616), (3808, 5398)]