20178261026

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{47491}}^1$

素因数の和:47631

約数の個数: 64

約数和(自身を含む): 39391764480

約数和(自身を除く): 19213503454

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 89, 154, 178, 217, 341, 434, 623, 682, 979, 1246, 1958, 2387, 2759, 4774, 5518, 6853, 13706, 19313, 30349, 38626, 47491, 60698, 94982, 212443, 332437, 424886, 522401, 664874, 1044802, 1472221, 2944442, 3656807, 4226699, 7313614, 8453398, 10305547, 16194431, 20611094, 29586893, 32388862, 46493689, 59173786, 92987378, 113361017, 131027669, 226722034, 262055338, 325455823, 650911646, 917193683, 1441304359, 1834387366, 2882608718, 10089130513, 20178261026]

約数ペア:

[(1, 20178261026), (2, 10089130513), (7, 2882608718), (11, 1834387366), (14, 1441304359), (22, 917193683), (31, 650911646), (62, 325455823), (77, 262055338), (89, 226722034), (154, 131027669), (178, 113361017), (217, 92987378), (341, 59173786), (434, 46493689), (623, 32388862), (682, 29586893), (979, 20611094), (1246, 16194431), (1958, 10305547), (2387, 8453398), (2759, 7313614), (4774, 4226699), (5518, 3656807), (6853, 2944442), (13706, 1472221), (19313, 1044802), (30349, 664874), (38626, 522401), (47491, 424886), (60698, 332437), (94982, 212443)]