20020604420

素因数分解:

$2^2\times 5^1\times {\mathrm{4049}}^1\times {\mathrm{247229}}^1$

素因数の和:251287

約数の個数: 24

約数和(自身を含む): 42053823000

約数和(自身を除く): 22033218580

約数列:

[1, 2, 4, 5, 10, 20, 4049, 8098, 16196, 20245, 40490, 80980, 247229, 494458, 988916, 1236145, 2472290, 4944580, 1001030221, 2002060442, 4004120884, 5005151105, 10010302210, 20020604420]

約数ペア:

[(1, 20020604420), (2, 10010302210), (4, 5005151105), (5, 4004120884), (10, 2002060442), (20, 1001030221), (4049, 4944580), (8098, 2472290), (16196, 1236145), (20245, 988916), (40490, 494458), (80980, 247229)]