20361376

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5347}}^1$

素因数の和:5381

約数の個数: 48

約数和(自身を含む): 48517056

約数和(自身を除く): 28155680

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5347, 10694, 21388, 37429, 42776, 74858, 85552, 90899, 149716, 171104, 181798, 299432, 363596, 598864, 636293, 727192, 1197728, 1272586, 1454384, 2545172, 2908768, 5090344, 10180688, 20361376]

約数ペア:

[(1, 20361376), (2, 10180688), (4, 5090344), (7, 2908768), (8, 2545172), (14, 1454384), (16, 1272586), (17, 1197728), (28, 727192), (32, 636293), (34, 598864), (56, 363596), (68, 299432), (112, 181798), (119, 171104), (136, 149716), (224, 90899), (238, 85552), (272, 74858), (476, 42776), (544, 37429), (952, 21388), (1904, 10694), (3808, 5347)]