20020992

素因数分解:

$2^8\times 3^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 53961600

約数和(自身を除く): 33940608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 199, 256, 262, 384, 393, 398, 524, 597, 768, 786, 796, 1048, 1194, 1572, 1592, 2096, 2388, 3144, 3184, 4192, 4776, 6288, 6368, 8384, 9552, 12576, 12736, 16768, 19104, 25152, 25472, 26069, 33536, 38208, 50304, 50944, 52138, 76416, 78207, 100608, 104276, 152832, 156414, 208552, 312828, 417104, 625656, 834208, 1251312, 1668416, 2502624, 3336832, 5005248, 6673664, 10010496, 20020992]

約数ペア:

[(1, 20020992), (2, 10010496), (3, 6673664), (4, 5005248), (6, 3336832), (8, 2502624), (12, 1668416), (16, 1251312), (24, 834208), (32, 625656), (48, 417104), (64, 312828), (96, 208552), (128, 156414), (131, 152832), (192, 104276), (199, 100608), (256, 78207), (262, 76416), (384, 52138), (393, 50944), (398, 50304), (524, 38208), (597, 33536), (768, 26069), (786, 25472), (796, 25152), (1048, 19104), (1194, 16768), (1572, 12736), (1592, 12576), (2096, 9552), (2388, 8384), (3144, 6368), (3184, 6288), (4192, 4776)]