20158864660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1439}}^1\times {\mathrm{1721}}^1$

素因数の和:3217

約数の個数: 96

約数和(自身を含む): 47490831360

約数和(自身を除く): 27331966700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1439, 1628, 1721, 2035, 2878, 3442, 4070, 5756, 6884, 7195, 8140, 8605, 14390, 15829, 17210, 18931, 28780, 31658, 34420, 37862, 53243, 63316, 63677, 75724, 79145, 94655, 106486, 127354, 158290, 189310, 212972, 254708, 266215, 316580, 318385, 378620, 532430, 585673, 636770, 700447, 1064860, 1171346, 1273540, 1400894, 2342692, 2476519, 2801788, 2928365, 3502235, 4953038, 5856730, 7004470, 9906076, 11713460, 12382595, 14008940, 24765190, 27241709, 49530380, 54483418, 91631203, 108966836, 136208545, 183262406, 272417090, 366524812, 458156015, 544834180, 916312030, 1007943233, 1832624060, 2015886466, 4031772932, 5039716165, 10079432330, 20158864660]

約数ペア:

[(1, 20158864660), (2, 10079432330), (4, 5039716165), (5, 4031772932), (10, 2015886466), (11, 1832624060), (20, 1007943233), (22, 916312030), (37, 544834180), (44, 458156015), (55, 366524812), (74, 272417090), (110, 183262406), (148, 136208545), (185, 108966836), (220, 91631203), (370, 54483418), (407, 49530380), (740, 27241709), (814, 24765190), (1439, 14008940), (1628, 12382595), (1721, 11713460), (2035, 9906076), (2878, 7004470), (3442, 5856730), (4070, 4953038), (5756, 3502235), (6884, 2928365), (7195, 2801788), (8140, 2476519), (8605, 2342692), (14390, 1400894), (15829, 1273540), (17210, 1171346), (18931, 1064860), (28780, 700447), (31658, 636770), (34420, 585673), (37862, 532430), (53243, 378620), (63316, 318385), (63677, 316580), (75724, 266215), (79145, 254708), (94655, 212972), (106486, 189310), (127354, 158290)]