20724592

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9739}}^1$

素因数の和:9773

約数の個数: 40

約数和(自身を含む): 48310400

約数和(自身を除く): 27585808

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9739, 19478, 38956, 68173, 77912, 136346, 155824, 185041, 272692, 370082, 545384, 740164, 1090768, 1295287, 1480328, 2590574, 2960656, 5181148, 10362296, 20724592]

約数ペア:

[(1, 20724592), (2, 10362296), (4, 5181148), (7, 2960656), (8, 2590574), (14, 1480328), (16, 1295287), (19, 1090768), (28, 740164), (38, 545384), (56, 370082), (76, 272692), (112, 185041), (133, 155824), (152, 136346), (266, 77912), (304, 68173), (532, 38956), (1064, 19478), (2128, 9739)]