20631330254

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{1283}}^1$

素因数の和:2009

約数の個数: 48

約数和(自身を含む): 33717264768

約数和(自身を除く): 13085934514

約数列:

[1, 2, 17, 34, 43, 86, 289, 578, 647, 731, 1283, 1294, 1462, 2566, 10999, 12427, 21811, 21998, 24854, 27821, 43622, 55169, 55642, 110338, 186983, 370787, 373966, 472957, 741574, 830101, 937873, 945914, 1660202, 1875746, 8040269, 14111717, 15943841, 16080538, 28223434, 31887682, 35694343, 71388686, 239899189, 479798378, 606803831, 1213607662, 10315665127, 20631330254]

約数ペア:

[(1, 20631330254), (2, 10315665127), (17, 1213607662), (34, 606803831), (43, 479798378), (86, 239899189), (289, 71388686), (578, 35694343), (647, 31887682), (731, 28223434), (1283, 16080538), (1294, 15943841), (1462, 14111717), (2566, 8040269), (10999, 1875746), (12427, 1660202), (21811, 945914), (21998, 937873), (24854, 830101), (27821, 741574), (43622, 472957), (55169, 373966), (55642, 370787), (110338, 186983)]