20618192

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9689}}^1$

素因数の和:9723

約数の個数: 40

約数和(自身を含む): 48062400

約数和(自身を除く): 27444208

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9689, 19378, 38756, 67823, 77512, 135646, 155024, 184091, 271292, 368182, 542584, 736364, 1085168, 1288637, 1472728, 2577274, 2945456, 5154548, 10309096, 20618192]

約数ペア:

[(1, 20618192), (2, 10309096), (4, 5154548), (7, 2945456), (8, 2577274), (14, 1472728), (16, 1288637), (19, 1085168), (28, 736364), (38, 542584), (56, 368182), (76, 271292), (112, 184091), (133, 155024), (152, 135646), (266, 77512), (304, 67823), (532, 38756), (1064, 19378), (2128, 9689)]