20145264816

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1\times {\mathrm{31393}}^1$

素因数の和:31894

約数の個数: 80

約数和(自身を含む): 53954984160

約数和(自身を除く): 33809719344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 461, 464, 696, 922, 1383, 1392, 1844, 2766, 3688, 5532, 7376, 11064, 13369, 22128, 26738, 31393, 40107, 53476, 62786, 80214, 94179, 106952, 125572, 160428, 188358, 213904, 251144, 320856, 376716, 502288, 641712, 753432, 910397, 1506864, 1820794, 2731191, 3641588, 5462382, 7283176, 10924764, 14472173, 14566352, 21849528, 28944346, 43416519, 43699056, 57888692, 86833038, 115777384, 173666076, 231554768, 347332152, 419693017, 694664304, 839386034, 1259079051, 1678772068, 2518158102, 3357544136, 5036316204, 6715088272, 10072632408, 20145264816]

約数ペア:

[(1, 20145264816), (2, 10072632408), (3, 6715088272), (4, 5036316204), (6, 3357544136), (8, 2518158102), (12, 1678772068), (16, 1259079051), (24, 839386034), (29, 694664304), (48, 419693017), (58, 347332152), (87, 231554768), (116, 173666076), (174, 115777384), (232, 86833038), (348, 57888692), (461, 43699056), (464, 43416519), (696, 28944346), (922, 21849528), (1383, 14566352), (1392, 14472173), (1844, 10924764), (2766, 7283176), (3688, 5462382), (5532, 3641588), (7376, 2731191), (11064, 1820794), (13369, 1506864), (22128, 910397), (26738, 753432), (31393, 641712), (40107, 502288), (53476, 376716), (62786, 320856), (80214, 251144), (94179, 213904), (106952, 188358), (125572, 160428)]