20111595

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 20945685

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 51, 57, 85, 95, 105, 119, 133, 255, 285, 323, 357, 399, 593, 595, 665, 969, 1615, 1779, 1785, 1995, 2261, 2965, 4151, 4845, 6783, 8895, 10081, 11267, 11305, 12453, 20755, 30243, 33801, 33915, 50405, 56335, 62265, 70567, 78869, 151215, 169005, 191539, 211701, 236607, 352835, 394345, 574617, 957695, 1058505, 1183035, 1340773, 2873085, 4022319, 6703865, 20111595]

約数ペア:

[(1, 20111595), (3, 6703865), (5, 4022319), (7, 2873085), (15, 1340773), (17, 1183035), (19, 1058505), (21, 957695), (35, 574617), (51, 394345), (57, 352835), (85, 236607), (95, 211701), (105, 191539), (119, 169005), (133, 151215), (255, 78869), (285, 70567), (323, 62265), (357, 56335), (399, 50405), (593, 33915), (595, 33801), (665, 30243), (969, 20755), (1615, 12453), (1779, 11305), (1785, 11267), (1995, 10081), (2261, 8895), (2965, 6783), (4151, 4845)]