20075880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 66977280

約数和(自身を除く): 46901400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 67, 88, 110, 120, 132, 134, 165, 201, 220, 227, 264, 268, 330, 335, 402, 440, 454, 536, 660, 670, 681, 737, 804, 908, 1005, 1135, 1320, 1340, 1362, 1474, 1608, 1816, 2010, 2211, 2270, 2497, 2680, 2724, 2948, 3405, 3685, 4020, 4422, 4540, 4994, 5448, 5896, 6810, 7370, 7491, 8040, 8844, 9080, 9988, 11055, 12485, 13620, 14740, 14982, 15209, 17688, 19976, 22110, 24970, 27240, 29480, 29964, 30418, 37455, 44220, 45627, 49940, 59928, 60836, 74910, 76045, 88440, 91254, 99880, 121672, 149820, 152090, 167299, 182508, 228135, 299640, 304180, 334598, 365016, 456270, 501897, 608360, 669196, 836495, 912540, 1003794, 1338392, 1672990, 1825080, 2007588, 2509485, 3345980, 4015176, 5018970, 6691960, 10037940, 20075880]

約数ペア:

[(1, 20075880), (2, 10037940), (3, 6691960), (4, 5018970), (5, 4015176), (6, 3345980), (8, 2509485), (10, 2007588), (11, 1825080), (12, 1672990), (15, 1338392), (20, 1003794), (22, 912540), (24, 836495), (30, 669196), (33, 608360), (40, 501897), (44, 456270), (55, 365016), (60, 334598), (66, 304180), (67, 299640), (88, 228135), (110, 182508), (120, 167299), (132, 152090), (134, 149820), (165, 121672), (201, 99880), (220, 91254), (227, 88440), (264, 76045), (268, 74910), (330, 60836), (335, 59928), (402, 49940), (440, 45627), (454, 44220), (536, 37455), (660, 30418), (670, 29964), (681, 29480), (737, 27240), (804, 24970), (908, 22110), (1005, 19976), (1135, 17688), (1320, 15209), (1340, 14982), (1362, 14740), (1474, 13620), (1608, 12485), (1816, 11055), (2010, 9988), (2211, 9080), (2270, 8844), (2497, 8040), (2680, 7491), (2724, 7370), (2948, 6810), (3405, 5896), (3685, 5448), (4020, 4994), (4422, 4540)]