20011712

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2389

約数の個数: 56

約数和(自身を含む): 47792640

約数和(自身を除く): 27780928

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 2351, 4256, 4702, 8512, 9404, 16457, 18808, 32914, 37616, 44669, 65828, 75232, 89338, 131656, 150464, 178676, 263312, 312683, 357352, 526624, 625366, 714704, 1053248, 1250732, 1429408, 2501464, 2858816, 5002928, 10005856, 20011712]

約数ペア:

[(1, 20011712), (2, 10005856), (4, 5002928), (7, 2858816), (8, 2501464), (14, 1429408), (16, 1250732), (19, 1053248), (28, 714704), (32, 625366), (38, 526624), (56, 357352), (64, 312683), (76, 263312), (112, 178676), (133, 150464), (152, 131656), (224, 89338), (266, 75232), (304, 65828), (448, 44669), (532, 37616), (608, 32914), (1064, 18808), (1216, 16457), (2128, 9404), (2351, 8512), (4256, 4702)]