20992380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1933}}^1$

素因数の和:2126

約数の個数: 48

約数和(自身を含む): 59133984

約数和(自身を除く): 38141604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 1933, 2172, 2715, 3620, 3866, 5430, 5799, 7732, 9665, 10860, 11598, 19330, 23196, 28995, 38660, 57990, 115980, 349873, 699746, 1049619, 1399492, 1749365, 2099238, 3498730, 4198476, 5248095, 6997460, 10496190, 20992380]

約数ペア:

[(1, 20992380), (2, 10496190), (3, 6997460), (4, 5248095), (5, 4198476), (6, 3498730), (10, 2099238), (12, 1749365), (15, 1399492), (20, 1049619), (30, 699746), (60, 349873), (181, 115980), (362, 57990), (543, 38660), (724, 28995), (905, 23196), (1086, 19330), (1810, 11598), (1933, 10860), (2172, 9665), (2715, 7732), (3620, 5799), (3866, 5430)]