20145841352

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{310931}}^1$

素因数の和:311046

約数の個数: 64

約数和(自身を含む): 47012918400

約数和(自身を除く): 26867077048

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 89, 91, 104, 178, 182, 356, 364, 623, 712, 728, 1157, 1246, 2314, 2492, 4628, 4984, 8099, 9256, 16198, 32396, 64792, 310931, 621862, 1243724, 2176517, 2487448, 4042103, 4353034, 8084206, 8706068, 16168412, 17412136, 27672859, 28294721, 32336824, 55345718, 56589442, 110691436, 113178884, 193710013, 221382872, 226357768, 359747167, 387420026, 719494334, 774840052, 1438988668, 1549680104, 2518230169, 2877977336, 5036460338, 10072920676, 20145841352]

約数ペア:

[(1, 20145841352), (2, 10072920676), (4, 5036460338), (7, 2877977336), (8, 2518230169), (13, 1549680104), (14, 1438988668), (26, 774840052), (28, 719494334), (52, 387420026), (56, 359747167), (89, 226357768), (91, 221382872), (104, 193710013), (178, 113178884), (182, 110691436), (356, 56589442), (364, 55345718), (623, 32336824), (712, 28294721), (728, 27672859), (1157, 17412136), (1246, 16168412), (2314, 8706068), (2492, 8084206), (4628, 4353034), (4984, 4042103), (8099, 2487448), (9256, 2176517), (16198, 1243724), (32396, 621862), (64792, 310931)]