20568720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85703}}^1$

素因数の和:85719

約数の個数: 40

約数和(自身を含む): 63763776

約数和(自身を除く): 43195056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85703, 171406, 257109, 342812, 428515, 514218, 685624, 857030, 1028436, 1285545, 1371248, 1714060, 2056872, 2571090, 3428120, 4113744, 5142180, 6856240, 10284360, 20568720]

約数ペア:

[(1, 20568720), (2, 10284360), (3, 6856240), (4, 5142180), (5, 4113744), (6, 3428120), (8, 2571090), (10, 2056872), (12, 1714060), (15, 1371248), (16, 1285545), (20, 1028436), (24, 857030), (30, 685624), (40, 514218), (48, 428515), (60, 342812), (80, 257109), (120, 171406), (240, 85703)]