20865456960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21734851}}^1$

素因数の和:21734871

約数の個数: 56

約数和(自身を含む): 66247828896

約数和(自身を除く): 45382371936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21734851, 43469702, 65204553, 86939404, 108674255, 130409106, 173878808, 217348510, 260818212, 326022765, 347757616, 434697020, 521636424, 652045530, 695515232, 869394040, 1043272848, 1304091060, 1391030464, 1738788080, 2086545696, 2608182120, 3477576160, 4173091392, 5216364240, 6955152320, 10432728480, 20865456960]

約数ペア:

[(1, 20865456960), (2, 10432728480), (3, 6955152320), (4, 5216364240), (5, 4173091392), (6, 3477576160), (8, 2608182120), (10, 2086545696), (12, 1738788080), (15, 1391030464), (16, 1304091060), (20, 1043272848), (24, 869394040), (30, 695515232), (32, 652045530), (40, 521636424), (48, 434697020), (60, 347757616), (64, 326022765), (80, 260818212), (96, 217348510), (120, 173878808), (160, 130409106), (192, 108674255), (240, 86939404), (320, 65204553), (480, 43469702), (960, 21734851)]