20857142904

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66849817}}^1$

素因数の和:66849839

約数の個数: 32

約数和(自身を含む): 56153847120

約数和(自身を除く): 35296704216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66849817, 133699634, 200549451, 267399268, 401098902, 534798536, 802197804, 869047621, 1604395608, 1738095242, 2607142863, 3476190484, 5214285726, 6952380968, 10428571452, 20857142904]

約数ペア:

[(1, 20857142904), (2, 10428571452), (3, 6952380968), (4, 5214285726), (6, 3476190484), (8, 2607142863), (12, 1738095242), (13, 1604395608), (24, 869047621), (26, 802197804), (39, 534798536), (52, 401098902), (78, 267399268), (104, 200549451), (156, 133699634), (312, 66849817)]