20129970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{95857}}^1$

素因数の和:95874

約数の個数: 32

約数和(自身を含む): 55214208

約数和(自身を除く): 35084238

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 95857, 191714, 287571, 479285, 575142, 670999, 958570, 1341998, 1437855, 2012997, 2875710, 3354995, 4025994, 6709990, 10064985, 20129970]

約数ペア:

[(1, 20129970), (2, 10064985), (3, 6709990), (5, 4025994), (6, 3354995), (7, 2875710), (10, 2012997), (14, 1437855), (15, 1341998), (21, 958570), (30, 670999), (35, 575142), (42, 479285), (70, 287571), (105, 191714), (210, 95857)]