20666184

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 65940480

約数和(自身を除く): 45274296

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 53, 56, 66, 77, 84, 88, 106, 132, 154, 159, 168, 211, 212, 231, 264, 308, 318, 371, 422, 424, 462, 583, 616, 633, 636, 742, 844, 924, 1113, 1166, 1266, 1272, 1477, 1484, 1688, 1749, 1848, 2226, 2321, 2332, 2532, 2954, 2968, 3498, 4081, 4431, 4452, 4642, 4664, 5064, 5908, 6963, 6996, 8162, 8862, 8904, 9284, 11183, 11816, 12243, 13926, 13992, 16247, 16324, 17724, 18568, 22366, 24486, 27852, 32494, 32648, 33549, 35448, 44732, 48741, 48972, 55704, 64988, 67098, 78281, 89464, 97482, 97944, 123013, 129976, 134196, 156562, 194964, 234843, 246026, 268392, 313124, 369039, 389928, 469686, 492052, 626248, 738078, 861091, 939372, 984104, 1476156, 1722182, 1878744, 2583273, 2952312, 3444364, 5166546, 6888728, 10333092, 20666184]

約数ペア:

[(1, 20666184), (2, 10333092), (3, 6888728), (4, 5166546), (6, 3444364), (7, 2952312), (8, 2583273), (11, 1878744), (12, 1722182), (14, 1476156), (21, 984104), (22, 939372), (24, 861091), (28, 738078), (33, 626248), (42, 492052), (44, 469686), (53, 389928), (56, 369039), (66, 313124), (77, 268392), (84, 246026), (88, 234843), (106, 194964), (132, 156562), (154, 134196), (159, 129976), (168, 123013), (211, 97944), (212, 97482), (231, 89464), (264, 78281), (308, 67098), (318, 64988), (371, 55704), (422, 48972), (424, 48741), (462, 44732), (583, 35448), (616, 33549), (633, 32648), (636, 32494), (742, 27852), (844, 24486), (924, 22366), (1113, 18568), (1166, 17724), (1266, 16324), (1272, 16247), (1477, 13992), (1484, 13926), (1688, 12243), (1749, 11816), (1848, 11183), (2226, 9284), (2321, 8904), (2332, 8862), (2532, 8162), (2954, 6996), (2968, 6963), (3498, 5908), (4081, 5064), (4431, 4664), (4452, 4642)]