20823012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4349}}^1$

素因数の和:4385

約数の個数: 72

約数和(自身を含む): 63336000

約数和(自身を除く): 42512988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4349, 4788, 8698, 13047, 17396, 26094, 30443, 39141, 52188, 60886, 78282, 82631, 91329, 121772, 156564, 165262, 182658, 247893, 273987, 330524, 365316, 495786, 547974, 578417, 743679, 991572, 1095948, 1156834, 1487358, 1735251, 2313668, 2974716, 3470502, 5205753, 6941004, 10411506, 20823012]

約数ペア:

[(1, 20823012), (2, 10411506), (3, 6941004), (4, 5205753), (6, 3470502), (7, 2974716), (9, 2313668), (12, 1735251), (14, 1487358), (18, 1156834), (19, 1095948), (21, 991572), (28, 743679), (36, 578417), (38, 547974), (42, 495786), (57, 365316), (63, 330524), (76, 273987), (84, 247893), (114, 182658), (126, 165262), (133, 156564), (171, 121772), (228, 91329), (252, 82631), (266, 78282), (342, 60886), (399, 52188), (532, 39141), (684, 30443), (798, 26094), (1197, 17396), (1596, 13047), (2394, 8698), (4349, 4788)]