20364148

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 23181452

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 203, 217, 406, 434, 809, 812, 868, 899, 1618, 1798, 3236, 3596, 5663, 6293, 11326, 12586, 22652, 23461, 25079, 25172, 46922, 50158, 93844, 100316, 164227, 175553, 328454, 351106, 656908, 702212, 727291, 1454582, 2909164, 5091037, 10182074, 20364148]

約数ペア:

[(1, 20364148), (2, 10182074), (4, 5091037), (7, 2909164), (14, 1454582), (28, 727291), (29, 702212), (31, 656908), (58, 351106), (62, 328454), (116, 175553), (124, 164227), (203, 100316), (217, 93844), (406, 50158), (434, 46922), (809, 25172), (812, 25079), (868, 23461), (899, 22652), (1618, 12586), (1798, 11326), (3236, 6293), (3596, 5663)]