20947006

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9343}}^1$

素因数の和:9423

約数の個数: 16

約数和(自身を含む): 33638400

約数和(自身を除く): 12691394

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 9343, 18686, 177517, 355034, 551237, 1102474, 10473503, 20947006]

約数ペア:

[(1, 20947006), (2, 10473503), (19, 1102474), (38, 551237), (59, 355034), (118, 177517), (1121, 18686), (2242, 9343)]