20383896255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{19139}}^1$

素因数の和:19304

約数の個数: 64

約数和(自身を含む): 35609587200

約数和(自身を除く): 15225690945

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 101, 111, 185, 285, 303, 505, 555, 703, 1515, 1919, 2109, 3515, 3737, 5757, 9595, 10545, 11211, 18685, 19139, 28785, 56055, 57417, 71003, 95695, 213009, 287085, 355015, 363641, 708143, 1065045, 1090923, 1818205, 1933039, 2124429, 3540715, 5454615, 5799117, 9665195, 10622145, 13454717, 28995585, 36727741, 40364151, 67273585, 71522443, 110183223, 183638705, 201820755, 214567329, 357612215, 550916115, 1072836645, 1358926417, 4076779251, 6794632085, 20383896255]

約数ペア:

[(1, 20383896255), (3, 6794632085), (5, 4076779251), (15, 1358926417), (19, 1072836645), (37, 550916115), (57, 357612215), (95, 214567329), (101, 201820755), (111, 183638705), (185, 110183223), (285, 71522443), (303, 67273585), (505, 40364151), (555, 36727741), (703, 28995585), (1515, 13454717), (1919, 10622145), (2109, 9665195), (3515, 5799117), (3737, 5454615), (5757, 3540715), (9595, 2124429), (10545, 1933039), (11211, 1818205), (18685, 1090923), (19139, 1065045), (28785, 708143), (56055, 363641), (57417, 355015), (71003, 287085), (95695, 213009)]