20890044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4363}}^1$

素因数の和:4399

約数の個数: 72

約数和(自身を含む): 63539840

約数和(自身を除く): 42649796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4363, 4788, 8726, 13089, 17452, 26178, 30541, 39267, 52356, 61082, 78534, 82897, 91623, 122164, 157068, 165794, 183246, 248691, 274869, 331588, 366492, 497382, 549738, 580279, 746073, 994764, 1099476, 1160558, 1492146, 1740837, 2321116, 2984292, 3481674, 5222511, 6963348, 10445022, 20890044]

約数ペア:

[(1, 20890044), (2, 10445022), (3, 6963348), (4, 5222511), (6, 3481674), (7, 2984292), (9, 2321116), (12, 1740837), (14, 1492146), (18, 1160558), (19, 1099476), (21, 994764), (28, 746073), (36, 580279), (38, 549738), (42, 497382), (57, 366492), (63, 331588), (76, 274869), (84, 248691), (114, 183246), (126, 165794), (133, 157068), (171, 122164), (228, 91623), (252, 82897), (266, 78534), (342, 61082), (399, 52356), (532, 39267), (684, 30541), (798, 26178), (1197, 17452), (1596, 13089), (2394, 8726), (4363, 4788)]