20009917890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3222209}}^1$

素因数の和:3222248

約数の個数: 64

約数和(自身を含む): 55679788800

約数和(自身を除く): 35669870910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 6210, 3222209, 6444418, 9666627, 16111045, 19333254, 28999881, 32222090, 48333135, 57999762, 74110807, 86999643, 96666270, 144999405, 148221614, 173999286, 222332421, 289998810, 370554035, 434998215, 444664842, 666997263, 741108070, 869996430, 1111662105, 1333994526, 2000991789, 2223324210, 3334986315, 4001983578, 6669972630, 10004958945, 20009917890]

約数ペア:

[(1, 20009917890), (2, 10004958945), (3, 6669972630), (5, 4001983578), (6, 3334986315), (9, 2223324210), (10, 2000991789), (15, 1333994526), (18, 1111662105), (23, 869996430), (27, 741108070), (30, 666997263), (45, 444664842), (46, 434998215), (54, 370554035), (69, 289998810), (90, 222332421), (115, 173999286), (135, 148221614), (138, 144999405), (207, 96666270), (230, 86999643), (270, 74110807), (345, 57999762), (414, 48333135), (621, 32222090), (690, 28999881), (1035, 19333254), (1242, 16111045), (2070, 9666627), (3105, 6444418), (6210, 3222209)]