20064128

素因数分解:

$2^7\times 7^3\times {\mathrm{457}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 46716000

約数和(自身を除く): 26651872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 457, 686, 784, 896, 914, 1372, 1568, 1828, 2744, 3136, 3199, 3656, 5488, 6272, 6398, 7312, 10976, 12796, 14624, 21952, 22393, 25592, 29248, 43904, 44786, 51184, 58496, 89572, 102368, 156751, 179144, 204736, 313502, 358288, 409472, 627004, 716576, 1254008, 1433152, 2508016, 2866304, 5016032, 10032064, 20064128]

約数ペア:

[(1, 20064128), (2, 10032064), (4, 5016032), (7, 2866304), (8, 2508016), (14, 1433152), (16, 1254008), (28, 716576), (32, 627004), (49, 409472), (56, 358288), (64, 313502), (98, 204736), (112, 179144), (128, 156751), (196, 102368), (224, 89572), (343, 58496), (392, 51184), (448, 44786), (457, 43904), (686, 29248), (784, 25592), (896, 22393), (914, 21952), (1372, 14624), (1568, 12796), (1828, 10976), (2744, 7312), (3136, 6398), (3199, 6272), (3656, 5488)]