20992680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58313}}^1$

素因数の和:58330

約数の個数: 48

約数和(自身を含む): 68227380

約数和(自身を除く): 47234700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58313, 116626, 174939, 233252, 291565, 349878, 466504, 524817, 583130, 699756, 874695, 1049634, 1166260, 1399512, 1749390, 2099268, 2332520, 2624085, 3498780, 4198536, 5248170, 6997560, 10496340, 20992680]

約数ペア:

[(1, 20992680), (2, 10496340), (3, 6997560), (4, 5248170), (5, 4198536), (6, 3498780), (8, 2624085), (9, 2332520), (10, 2099268), (12, 1749390), (15, 1399512), (18, 1166260), (20, 1049634), (24, 874695), (30, 699756), (36, 583130), (40, 524817), (45, 466504), (60, 349878), (72, 291565), (90, 233252), (120, 174939), (180, 116626), (360, 58313)]