20123077660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6249403}}^1$

素因数の和:6249442

約数の個数: 48

約数和(自身を含む): 50395193856

約数和(自身を除く): 30272116196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 6249403, 12498806, 24997612, 31247015, 43745821, 62494030, 87491642, 124988060, 143736269, 174983284, 218729105, 287472538, 437458210, 574945076, 718681345, 874916420, 1006153883, 1437362690, 2012307766, 2874725380, 4024615532, 5030769415, 10061538830, 20123077660]

約数ペア:

[(1, 20123077660), (2, 10061538830), (4, 5030769415), (5, 4024615532), (7, 2874725380), (10, 2012307766), (14, 1437362690), (20, 1006153883), (23, 874916420), (28, 718681345), (35, 574945076), (46, 437458210), (70, 287472538), (92, 218729105), (115, 174983284), (140, 143736269), (161, 124988060), (230, 87491642), (322, 62494030), (460, 43745821), (644, 31247015), (805, 24997612), (1610, 12498806), (3220, 6249403)]