20199071140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{106121}}^1$

素因数の和:106468

約数の個数: 48

約数和(自身を含む): 43929414144

約数和(自身を除く): 23730343004

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 307, 310, 614, 620, 1228, 1535, 3070, 6140, 9517, 19034, 38068, 47585, 95170, 106121, 190340, 212242, 424484, 530605, 1061210, 2122420, 3289751, 6579502, 13159004, 16448755, 32579147, 32897510, 65158294, 65795020, 130316588, 162895735, 325791470, 651582940, 1009953557, 2019907114, 4039814228, 5049767785, 10099535570, 20199071140]

約数ペア:

[(1, 20199071140), (2, 10099535570), (4, 5049767785), (5, 4039814228), (10, 2019907114), (20, 1009953557), (31, 651582940), (62, 325791470), (124, 162895735), (155, 130316588), (307, 65795020), (310, 65158294), (614, 32897510), (620, 32579147), (1228, 16448755), (1535, 13159004), (3070, 6579502), (6140, 3289751), (9517, 2122420), (19034, 1061210), (38068, 530605), (47585, 424484), (95170, 212242), (106121, 190340)]