20857564208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3457819}}^1$

素因数の和:3457869

約数の個数: 40

約数和(自身を含む): 45020816400

約数和(自身を除く): 24163252192

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 6032, 3457819, 6915638, 13831276, 27662552, 44951647, 55325104, 89903294, 100276751, 179806588, 200553502, 359613176, 401107004, 719226352, 802214008, 1303597763, 1604428016, 2607195526, 5214391052, 10428782104, 20857564208]

約数ペア:

[(1, 20857564208), (2, 10428782104), (4, 5214391052), (8, 2607195526), (13, 1604428016), (16, 1303597763), (26, 802214008), (29, 719226352), (52, 401107004), (58, 359613176), (104, 200553502), (116, 179806588), (208, 100276751), (232, 89903294), (377, 55325104), (464, 44951647), (754, 27662552), (1508, 13831276), (3016, 6915638), (6032, 3457819)]