202180420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{777617}}^1$

素因数の和:777639

約数の個数: 24

約数和(自身を含む): 457239384

約数和(自身を除く): 255058964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 777617, 1555234, 3110468, 3888085, 7776170, 10109021, 15552340, 20218042, 40436084, 50545105, 101090210, 202180420]

約数ペア:

[(1, 202180420), (2, 101090210), (4, 50545105), (5, 40436084), (10, 20218042), (13, 15552340), (20, 10109021), (26, 7776170), (52, 3888085), (65, 3110468), (130, 1555234), (260, 777617)]