20459318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 34974720

約数和(自身を除く): 14515402

約数列:

[1, 2, 11, 22, 31, 62, 131, 229, 262, 341, 458, 682, 1441, 2519, 2882, 4061, 5038, 7099, 8122, 14198, 29999, 44671, 59998, 78089, 89342, 156178, 329989, 659978, 929969, 1859938, 10229659, 20459318]

約数ペア:

[(1, 20459318), (2, 10229659), (11, 1859938), (22, 929969), (31, 659978), (62, 329989), (131, 156178), (229, 89342), (262, 78089), (341, 59998), (458, 44671), (682, 29999), (1441, 14198), (2519, 8122), (2882, 7099), (4061, 5038)]