20243080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3539}}^1$

素因数の和:3574

約数の個数: 64

約数和(自身を含む): 53524800

約数和(自身を除く): 33281720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3539, 5720, 7078, 14156, 17695, 28312, 35390, 38929, 46007, 70780, 77858, 92014, 141560, 155716, 184028, 194645, 230035, 311432, 368056, 389290, 460070, 506077, 778580, 920140, 1012154, 1557160, 1840280, 2024308, 2530385, 4048616, 5060770, 10121540, 20243080]

約数ペア:

[(1, 20243080), (2, 10121540), (4, 5060770), (5, 4048616), (8, 2530385), (10, 2024308), (11, 1840280), (13, 1557160), (20, 1012154), (22, 920140), (26, 778580), (40, 506077), (44, 460070), (52, 389290), (55, 368056), (65, 311432), (88, 230035), (104, 194645), (110, 184028), (130, 155716), (143, 141560), (220, 92014), (260, 77858), (286, 70780), (440, 46007), (520, 38929), (572, 35390), (715, 28312), (1144, 17695), (1430, 14156), (2860, 7078), (3539, 5720)]