20243968

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2118

約数の個数: 40

約数和(自身を含む): 42597720

約数和(自身を除く): 22353752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2081, 2432, 4162, 4864, 8324, 9728, 16648, 33296, 39539, 66592, 79078, 133184, 158156, 266368, 316312, 532736, 632624, 1065472, 1265248, 2530496, 5060992, 10121984, 20243968]

約数ペア:

[(1, 20243968), (2, 10121984), (4, 5060992), (8, 2530496), (16, 1265248), (19, 1065472), (32, 632624), (38, 532736), (64, 316312), (76, 266368), (128, 158156), (152, 133184), (256, 79078), (304, 66592), (512, 39539), (608, 33296), (1216, 16648), (2081, 9728), (2432, 8324), (4162, 4864)]