20385652

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 23280908

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 113, 119, 226, 238, 379, 452, 476, 758, 791, 1516, 1582, 1921, 2653, 3164, 3842, 5306, 6443, 7684, 10612, 12886, 13447, 25772, 26894, 42827, 45101, 53788, 85654, 90202, 171308, 180404, 299789, 599578, 728059, 1199156, 1456118, 2912236, 5096413, 10192826, 20385652]

約数ペア:

[(1, 20385652), (2, 10192826), (4, 5096413), (7, 2912236), (14, 1456118), (17, 1199156), (28, 728059), (34, 599578), (68, 299789), (113, 180404), (119, 171308), (226, 90202), (238, 85654), (379, 53788), (452, 45101), (476, 42827), (758, 26894), (791, 25772), (1516, 13447), (1582, 12886), (1921, 10612), (2653, 7684), (3164, 6443), (3842, 5306)]