20007303

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 9023097

約数列:

[1, 3, 29, 41, 71, 79, 87, 123, 213, 237, 1189, 2059, 2291, 2911, 3239, 3567, 5609, 6177, 6873, 8733, 9717, 16827, 84419, 93931, 162661, 229969, 253257, 281793, 487983, 689907, 6669101, 20007303]

約数ペア:

[(1, 20007303), (3, 6669101), (29, 689907), (41, 487983), (71, 281793), (79, 253257), (87, 229969), (123, 162661), (213, 93931), (237, 84419), (1189, 16827), (2059, 9717), (2291, 8733), (2911, 6873), (3239, 6177), (3567, 5609)]