20921528

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2909}}^1$

素因数の和:2975

約数の個数: 32

約数和(自身を含む): 41904000

約数和(自身を除く): 20982472

約数列:

[1, 2, 4, 8, 29, 31, 58, 62, 116, 124, 232, 248, 899, 1798, 2909, 3596, 5818, 7192, 11636, 23272, 84361, 90179, 168722, 180358, 337444, 360716, 674888, 721432, 2615191, 5230382, 10460764, 20921528]

約数ペア:

[(1, 20921528), (2, 10460764), (4, 5230382), (8, 2615191), (29, 721432), (31, 674888), (58, 360716), (62, 337444), (116, 180358), (124, 168722), (232, 90179), (248, 84361), (899, 23272), (1798, 11636), (2909, 7192), (3596, 5818)]