20534150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4513}}^1$

素因数の和:4545

約数の個数: 48

約数和(自身を含む): 47017824

約数和(自身を除く): 26483674

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4513, 4550, 9026, 22565, 31591, 45130, 58669, 63182, 112825, 117338, 157955, 225650, 293345, 315910, 410683, 586690, 789775, 821366, 1466725, 1579550, 2053415, 2933450, 4106830, 10267075, 20534150]

約数ペア:

[(1, 20534150), (2, 10267075), (5, 4106830), (7, 2933450), (10, 2053415), (13, 1579550), (14, 1466725), (25, 821366), (26, 789775), (35, 586690), (50, 410683), (65, 315910), (70, 293345), (91, 225650), (130, 157955), (175, 117338), (182, 112825), (325, 63182), (350, 58669), (455, 45130), (650, 31591), (910, 22565), (2275, 9026), (4513, 4550)]