20199995452

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{189401}}^1$

素因数の和:189718

約数の個数: 48

約数和(自身を含む): 43656403392

約数和(自身を除く): 23456407940

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 293, 364, 586, 1172, 2051, 3809, 4102, 7618, 8204, 15236, 26663, 53326, 106652, 189401, 378802, 757604, 1325807, 2462213, 2651614, 4924426, 5303228, 9848852, 17235491, 34470982, 55494493, 68941964, 110988986, 221977972, 388461451, 721428409, 776922902, 1442856818, 1553845804, 2885713636, 5049998863, 10099997726, 20199995452]

約数ペア:

[(1, 20199995452), (2, 10099997726), (4, 5049998863), (7, 2885713636), (13, 1553845804), (14, 1442856818), (26, 776922902), (28, 721428409), (52, 388461451), (91, 221977972), (182, 110988986), (293, 68941964), (364, 55494493), (586, 34470982), (1172, 17235491), (2051, 9848852), (3809, 5303228), (4102, 4924426), (7618, 2651614), (8204, 2462213), (15236, 1325807), (26663, 757604), (53326, 378802), (106652, 189401)]