20748156

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 57915648

約数和(自身を除く): 37167492

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 107, 113, 132, 143, 156, 214, 226, 286, 321, 339, 428, 429, 452, 572, 642, 678, 858, 1177, 1243, 1284, 1356, 1391, 1469, 1716, 2354, 2486, 2782, 2938, 3531, 3729, 4173, 4407, 4708, 4972, 5564, 5876, 7062, 7458, 8346, 8814, 12091, 14124, 14916, 15301, 16159, 16692, 17628, 24182, 30602, 32318, 36273, 45903, 48364, 48477, 61204, 64636, 72546, 91806, 96954, 133001, 145092, 157183, 183612, 193908, 266002, 314366, 399003, 471549, 532004, 628732, 798006, 943098, 1596012, 1729013, 1886196, 3458026, 5187039, 6916052, 10374078, 20748156]

約数ペア:

[(1, 20748156), (2, 10374078), (3, 6916052), (4, 5187039), (6, 3458026), (11, 1886196), (12, 1729013), (13, 1596012), (22, 943098), (26, 798006), (33, 628732), (39, 532004), (44, 471549), (52, 399003), (66, 314366), (78, 266002), (107, 193908), (113, 183612), (132, 157183), (143, 145092), (156, 133001), (214, 96954), (226, 91806), (286, 72546), (321, 64636), (339, 61204), (428, 48477), (429, 48364), (452, 45903), (572, 36273), (642, 32318), (678, 30602), (858, 24182), (1177, 17628), (1243, 16692), (1284, 16159), (1356, 15301), (1391, 14916), (1469, 14124), (1716, 12091), (2354, 8814), (2486, 8346), (2782, 7458), (2938, 7062), (3531, 5876), (3729, 5564), (4173, 4972), (4407, 4708)]