20505366

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3191}}^1$

素因数の和:3226

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 34652394

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 238, 306, 357, 378, 459, 714, 918, 1071, 2142, 3191, 3213, 6382, 6426, 9573, 19146, 22337, 28719, 44674, 54247, 57438, 67011, 86157, 108494, 134022, 162741, 172314, 201033, 325482, 379729, 402066, 488223, 603099, 759458, 976446, 1139187, 1206198, 1464669, 2278374, 2929338, 3417561, 6835122, 10252683, 20505366]

約数ペア:

[(1, 20505366), (2, 10252683), (3, 6835122), (6, 3417561), (7, 2929338), (9, 2278374), (14, 1464669), (17, 1206198), (18, 1139187), (21, 976446), (27, 759458), (34, 603099), (42, 488223), (51, 402066), (54, 379729), (63, 325482), (102, 201033), (119, 172314), (126, 162741), (153, 134022), (189, 108494), (238, 86157), (306, 67011), (357, 57438), (378, 54247), (459, 44674), (714, 28719), (918, 22337), (1071, 19146), (2142, 9573), (3191, 6426), (3213, 6382)]