20027840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8941}}^1$

素因数の和:8965

約数の個数: 56

約数和(自身を含む): 54510432

約数和(自身を除く): 34482592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8941, 17882, 35764, 44705, 62587, 71528, 89410, 125174, 143056, 178820, 250348, 286112, 312935, 357640, 500696, 572224, 625870, 715280, 1001392, 1251740, 1430560, 2002784, 2503480, 2861120, 4005568, 5006960, 10013920, 20027840]

約数ペア:

[(1, 20027840), (2, 10013920), (4, 5006960), (5, 4005568), (7, 2861120), (8, 2503480), (10, 2002784), (14, 1430560), (16, 1251740), (20, 1001392), (28, 715280), (32, 625870), (35, 572224), (40, 500696), (56, 357640), (64, 312935), (70, 286112), (80, 250348), (112, 178820), (140, 143056), (160, 125174), (224, 89410), (280, 71528), (320, 62587), (448, 44705), (560, 35764), (1120, 17882), (2240, 8941)]