20802873368

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{167}}^1\times {\mathrm{43133}}^1$

素因数の和:43344

約数の個数: 48

約数和(自身を含む): 41413816080

約数和(自身を除く): 20610942712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 167, 334, 361, 668, 722, 1336, 1444, 2888, 3173, 6346, 12692, 25384, 43133, 60287, 86266, 120574, 172532, 241148, 345064, 482296, 819527, 1639054, 3278108, 6556216, 7203211, 14406422, 15571013, 28812844, 31142026, 57625688, 62284052, 124568104, 136861009, 273722018, 547444036, 1094888072, 2600359171, 5200718342, 10401436684, 20802873368]

約数ペア:

[(1, 20802873368), (2, 10401436684), (4, 5200718342), (8, 2600359171), (19, 1094888072), (38, 547444036), (76, 273722018), (152, 136861009), (167, 124568104), (334, 62284052), (361, 57625688), (668, 31142026), (722, 28812844), (1336, 15571013), (1444, 14406422), (2888, 7203211), (3173, 6556216), (6346, 3278108), (12692, 1639054), (25384, 819527), (43133, 482296), (60287, 345064), (86266, 241148), (120574, 172532)]