20313852

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 51381792

約数和(自身を除く): 31067940

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 197, 394, 591, 661, 788, 1182, 1322, 1983, 2364, 2561, 2644, 3966, 5122, 7683, 7932, 8593, 10244, 15366, 17186, 25779, 30732, 34372, 51558, 103116, 130217, 260434, 390651, 520868, 781302, 1562604, 1692821, 3385642, 5078463, 6771284, 10156926, 20313852]

約数ペア:

[(1, 20313852), (2, 10156926), (3, 6771284), (4, 5078463), (6, 3385642), (12, 1692821), (13, 1562604), (26, 781302), (39, 520868), (52, 390651), (78, 260434), (156, 130217), (197, 103116), (394, 51558), (591, 34372), (661, 30732), (788, 25779), (1182, 17186), (1322, 15366), (1983, 10244), (2364, 8593), (2561, 7932), (2644, 7683), (3966, 5122)]