20208540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 62786304

約数和(自身を除く): 42577764

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 67, 110, 132, 134, 165, 201, 220, 268, 330, 335, 402, 457, 660, 670, 737, 804, 914, 1005, 1340, 1371, 1474, 1828, 2010, 2211, 2285, 2742, 2948, 3685, 4020, 4422, 4570, 5027, 5484, 6855, 7370, 8844, 9140, 10054, 11055, 13710, 14740, 15081, 20108, 22110, 25135, 27420, 30162, 30619, 44220, 50270, 60324, 61238, 75405, 91857, 100540, 122476, 150810, 153095, 183714, 301620, 306190, 336809, 367428, 459285, 612380, 673618, 918570, 1010427, 1347236, 1684045, 1837140, 2020854, 3368090, 4041708, 5052135, 6736180, 10104270, 20208540]

約数ペア:

[(1, 20208540), (2, 10104270), (3, 6736180), (4, 5052135), (5, 4041708), (6, 3368090), (10, 2020854), (11, 1837140), (12, 1684045), (15, 1347236), (20, 1010427), (22, 918570), (30, 673618), (33, 612380), (44, 459285), (55, 367428), (60, 336809), (66, 306190), (67, 301620), (110, 183714), (132, 153095), (134, 150810), (165, 122476), (201, 100540), (220, 91857), (268, 75405), (330, 61238), (335, 60324), (402, 50270), (457, 44220), (660, 30619), (670, 30162), (737, 27420), (804, 25135), (914, 22110), (1005, 20108), (1340, 15081), (1371, 14740), (1474, 13710), (1828, 11055), (2010, 10054), (2211, 9140), (2285, 8844), (2742, 7370), (2948, 6855), (3685, 5484), (4020, 5027), (4422, 4570)]