20891184

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{22907}}^1$

素因数の和:22937

約数の個数: 40

約数和(自身を含む): 56811840

約数和(自身を除く): 35920656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 22907, 45814, 68721, 91628, 137442, 183256, 274884, 366512, 435233, 549768, 870466, 1099536, 1305699, 1740932, 2611398, 3481864, 5222796, 6963728, 10445592, 20891184]

約数ペア:

[(1, 20891184), (2, 10445592), (3, 6963728), (4, 5222796), (6, 3481864), (8, 2611398), (12, 1740932), (16, 1305699), (19, 1099536), (24, 870466), (38, 549768), (48, 435233), (57, 366512), (76, 274884), (114, 183256), (152, 137442), (228, 91628), (304, 68721), (456, 45814), (912, 22907)]