20093488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:605

約数の個数: 40

約数和(自身を含む): 41339120

約数和(自身を除く): 21245632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 421, 628, 842, 1256, 1684, 2512, 2983, 3368, 5966, 6736, 7999, 11932, 15998, 23864, 31996, 47728, 63992, 66097, 127984, 132194, 264388, 528776, 1057552, 1255843, 2511686, 5023372, 10046744, 20093488]

約数ペア:

[(1, 20093488), (2, 10046744), (4, 5023372), (8, 2511686), (16, 1255843), (19, 1057552), (38, 528776), (76, 264388), (152, 132194), (157, 127984), (304, 66097), (314, 63992), (421, 47728), (628, 31996), (842, 23864), (1256, 15998), (1684, 11932), (2512, 7999), (2983, 6736), (3368, 5966)]