20160187984

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{701}}^1\times {\mathrm{61981}}^1$

素因数の和:62719

約数の個数: 40

約数和(自身を含む): 40465568520

約数和(自身を除く): 20305380536

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 701, 1402, 2804, 5608, 11216, 20329, 40658, 61981, 81316, 123962, 162632, 247924, 325264, 495848, 991696, 1797449, 3594898, 7189796, 14379592, 28759184, 43448681, 86897362, 173794724, 347589448, 695178896, 1260011749, 2520023498, 5040046996, 10080093992, 20160187984]

約数ペア:

[(1, 20160187984), (2, 10080093992), (4, 5040046996), (8, 2520023498), (16, 1260011749), (29, 695178896), (58, 347589448), (116, 173794724), (232, 86897362), (464, 43448681), (701, 28759184), (1402, 14379592), (2804, 7189796), (5608, 3594898), (11216, 1797449), (20329, 991696), (40658, 495848), (61981, 325264), (81316, 247924), (123962, 162632)]