20680740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6047}}^1$

素因数の和:6081

約数の個数: 72

約数和(自身を含む): 66044160

約数和(自身を除く): 45363420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6047, 12094, 18141, 24188, 30235, 36282, 54423, 60470, 72564, 90705, 108846, 114893, 120940, 181410, 217692, 229786, 272115, 344679, 362820, 459572, 544230, 574465, 689358, 1034037, 1088460, 1148930, 1378716, 1723395, 2068074, 2297860, 3446790, 4136148, 5170185, 6893580, 10340370, 20680740]

約数ペア:

[(1, 20680740), (2, 10340370), (3, 6893580), (4, 5170185), (5, 4136148), (6, 3446790), (9, 2297860), (10, 2068074), (12, 1723395), (15, 1378716), (18, 1148930), (19, 1088460), (20, 1034037), (30, 689358), (36, 574465), (38, 544230), (45, 459572), (57, 362820), (60, 344679), (76, 272115), (90, 229786), (95, 217692), (114, 181410), (171, 120940), (180, 114893), (190, 108846), (228, 90705), (285, 72564), (342, 60470), (380, 54423), (570, 36282), (684, 30235), (855, 24188), (1140, 18141), (1710, 12094), (3420, 6047)]