20670974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 34663680

約数和(自身を除く): 13992706

約数列:

[1, 2, 19, 23, 38, 46, 67, 134, 353, 437, 706, 874, 1273, 1541, 2546, 3082, 6707, 8119, 13414, 16238, 23651, 29279, 47302, 58558, 154261, 308522, 449369, 543973, 898738, 1087946, 10335487, 20670974]

約数ペア:

[(1, 20670974), (2, 10335487), (19, 1087946), (23, 898738), (38, 543973), (46, 449369), (67, 308522), (134, 154261), (353, 58558), (437, 47302), (706, 29279), (874, 23651), (1273, 16238), (1541, 13414), (2546, 8119), (3082, 6707)]