20104910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{571}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 21408562

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 503, 571, 1006, 1142, 2515, 2855, 3521, 3997, 5030, 5710, 7042, 7994, 17605, 19985, 35210, 39970, 287213, 574426, 1436065, 2010491, 2872130, 4020982, 10052455, 20104910]

約数ペア:

[(1, 20104910), (2, 10052455), (5, 4020982), (7, 2872130), (10, 2010491), (14, 1436065), (35, 574426), (70, 287213), (503, 39970), (571, 35210), (1006, 19985), (1142, 17605), (2515, 7994), (2855, 7042), (3521, 5710), (3997, 5030)]