20821662628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{351551}}^1$

素因数の和:351652

約数の個数: 48

約数和(自身を含む): 42169365504

約数和(自身を除く): 21347702876

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 67, 68, 134, 221, 268, 442, 871, 884, 1139, 1742, 2278, 3484, 4556, 14807, 29614, 59228, 351551, 703102, 1406204, 4570163, 5976367, 9140326, 11952734, 18280652, 23553917, 23905468, 47107834, 77692771, 94215668, 155385542, 306200921, 310771084, 400416589, 612401842, 800833178, 1224803684, 1601666356, 5205415657, 10410831314, 20821662628]

約数ペア:

[(1, 20821662628), (2, 10410831314), (4, 5205415657), (13, 1601666356), (17, 1224803684), (26, 800833178), (34, 612401842), (52, 400416589), (67, 310771084), (68, 306200921), (134, 155385542), (221, 94215668), (268, 77692771), (442, 47107834), (871, 23905468), (884, 23553917), (1139, 18280652), (1742, 11952734), (2278, 9140326), (3484, 5976367), (4556, 4570163), (14807, 1406204), (29614, 703102), (59228, 351551)]