20869440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21739}}^1$

素因数の和:21759

約数の個数: 56

約数和(自身を含む): 66263520

約数和(自身を除く): 45394080

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, 21739, 43478, 65217, 86956, 108695, 130434, 173912, 217390, 260868, 326085, 347824, 434780, 521736, 652170, 695648, 869560, 1043472, 1304340, 1391296, 1739120, 2086944, 2608680, 3478240, 4173888, 5217360, 6956480, 10434720, 20869440]

約数ペア:

[(1, 20869440), (2, 10434720), (3, 6956480), (4, 5217360), (5, 4173888), (6, 3478240), (8, 2608680), (10, 2086944), (12, 1739120), (15, 1391296), (16, 1304340), (20, 1043472), (24, 869560), (30, 695648), (32, 652170), (40, 521736), (48, 434780), (60, 347824), (64, 326085), (80, 260868), (96, 217390), (120, 173912), (160, 130434), (192, 108695), (240, 86956), (320, 65217), (480, 43478), (960, 21739)]