20903295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{877}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 38435328

約数和(自身を除く): 17532033

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 227, 681, 877, 1135, 1589, 2631, 3405, 4385, 4767, 6139, 7945, 13155, 18417, 23835, 30695, 92085, 199079, 597237, 995395, 1393553, 2986185, 4180659, 6967765, 20903295]

約数ペア:

[(1, 20903295), (3, 6967765), (5, 4180659), (7, 2986185), (15, 1393553), (21, 995395), (35, 597237), (105, 199079), (227, 92085), (681, 30695), (877, 23835), (1135, 18417), (1589, 13155), (2631, 7945), (3405, 6139), (4385, 4767)]