20125545

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{431}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 35334144

約数和(自身を除く): 15208599

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 283, 431, 849, 1293, 1415, 2155, 3113, 4245, 4741, 6465, 9339, 14223, 15565, 23705, 46695, 71115, 121973, 365919, 609865, 1341703, 1829595, 4025109, 6708515, 20125545]

約数ペア:

[(1, 20125545), (3, 6708515), (5, 4025109), (11, 1829595), (15, 1341703), (33, 609865), (55, 365919), (165, 121973), (283, 71115), (431, 46695), (849, 23705), (1293, 15565), (1415, 14223), (2155, 9339), (3113, 6465), (4245, 4741)]