202102420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{777317}}^1$

素因数の和:777339

約数の個数: 24

約数和(自身を含む): 457062984

約数和(自身を除く): 254960564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 777317, 1554634, 3109268, 3886585, 7773170, 10105121, 15546340, 20210242, 40420484, 50525605, 101051210, 202102420]

約数ペア:

[(1, 202102420), (2, 101051210), (4, 50525605), (5, 40420484), (10, 20210242), (13, 15546340), (20, 10105121), (26, 7773170), (52, 3886585), (65, 3109268), (130, 1554634), (260, 777317)]