20198097647

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{11383}}^1$

素因数の和:11488

約数の個数: 64

約数和(自身を含む): 27907375104

約数和(自身を除く): 7709277457

約数列:

[1, 7, 13, 17, 31, 37, 91, 119, 217, 221, 259, 403, 481, 527, 629, 1147, 1547, 2821, 3367, 3689, 4403, 6851, 8029, 8177, 11383, 14911, 19499, 47957, 57239, 79681, 104377, 136493, 147979, 193511, 253487, 352873, 421171, 1035853, 1354577, 1774409, 2470111, 2515643, 2948197, 4587349, 5475223, 5998841, 7159907, 13056301, 17609501, 32111443, 38326561, 41991887, 50119349, 77984933, 91394107, 93078791, 169731913, 221957117, 545894531, 651551537, 1188123391, 1553699819, 2885442521, 20198097647]

約数ペア:

[(1, 20198097647), (7, 2885442521), (13, 1553699819), (17, 1188123391), (31, 651551537), (37, 545894531), (91, 221957117), (119, 169731913), (217, 93078791), (221, 91394107), (259, 77984933), (403, 50119349), (481, 41991887), (527, 38326561), (629, 32111443), (1147, 17609501), (1547, 13056301), (2821, 7159907), (3367, 5998841), (3689, 5475223), (4403, 4587349), (6851, 2948197), (8029, 2515643), (8177, 2470111), (11383, 1774409), (14911, 1354577), (19499, 1035853), (47957, 421171), (57239, 352873), (79681, 253487), (104377, 193511), (136493, 147979)]