20176693880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3133027}}^1$

素因数の和:3133068

約数の個数: 64

約数和(自身を含む): 54138723840

約数和(自身を除く): 33962029960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 3133027, 6266054, 12532108, 15665135, 21931189, 25064216, 31330270, 43862378, 62660540, 72059621, 87724756, 109655945, 125321080, 144119242, 175449512, 219311890, 288238484, 360298105, 438623780, 504417347, 576476968, 720596210, 877247560, 1008834694, 1441192420, 2017669388, 2522086735, 2882384840, 4035338776, 5044173470, 10088346940, 20176693880]

約数ペア:

[(1, 20176693880), (2, 10088346940), (4, 5044173470), (5, 4035338776), (7, 2882384840), (8, 2522086735), (10, 2017669388), (14, 1441192420), (20, 1008834694), (23, 877247560), (28, 720596210), (35, 576476968), (40, 504417347), (46, 438623780), (56, 360298105), (70, 288238484), (92, 219311890), (115, 175449512), (140, 144119242), (161, 125321080), (184, 109655945), (230, 87724756), (280, 72059621), (322, 62660540), (460, 43862378), (644, 31330270), (805, 25064216), (920, 21931189), (1288, 15665135), (1610, 12532108), (3220, 6266054), (6440, 3133027)]