20161949236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{496453}}^1$

素因数の和:496552

約数の個数: 48

約数和(自身を含む): 42035753088

約数和(自身を除く): 21873803852

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 284, 286, 572, 781, 923, 1562, 1846, 3124, 3692, 10153, 20306, 40612, 496453, 992906, 1985812, 5460983, 6453889, 10921966, 12907778, 21843932, 25815556, 35248163, 70496326, 70992779, 140992652, 141985558, 283971116, 387729793, 458226119, 775459586, 916452238, 1550919172, 1832904476, 5040487309, 10080974618, 20161949236]

約数ペア:

[(1, 20161949236), (2, 10080974618), (4, 5040487309), (11, 1832904476), (13, 1550919172), (22, 916452238), (26, 775459586), (44, 458226119), (52, 387729793), (71, 283971116), (142, 141985558), (143, 140992652), (284, 70992779), (286, 70496326), (572, 35248163), (781, 25815556), (923, 21843932), (1562, 12907778), (1846, 10921966), (3124, 6453889), (3692, 5460983), (10153, 1985812), (20306, 992906), (40612, 496453)]