20773440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7213}}^1$

素因数の和:7236

約数の個数: 84

約数和(自身を含む): 71461884

約数和(自身を除く): 50688444

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7213, 14426, 21639, 28852, 36065, 43278, 57704, 64917, 72130, 86556, 108195, 115408, 129834, 144260, 173112, 216390, 230816, 259668, 288520, 324585, 346224, 432780, 461632, 519336, 577040, 649170, 692448, 865560, 1038672, 1154080, 1298340, 1384896, 1731120, 2077344, 2308160, 2596680, 3462240, 4154688, 5193360, 6924480, 10386720, 20773440]

約数ペア:

[(1, 20773440), (2, 10386720), (3, 6924480), (4, 5193360), (5, 4154688), (6, 3462240), (8, 2596680), (9, 2308160), (10, 2077344), (12, 1731120), (15, 1384896), (16, 1298340), (18, 1154080), (20, 1038672), (24, 865560), (30, 692448), (32, 649170), (36, 577040), (40, 519336), (45, 461632), (48, 432780), (60, 346224), (64, 324585), (72, 288520), (80, 259668), (90, 230816), (96, 216390), (120, 173112), (144, 144260), (160, 129834), (180, 115408), (192, 108195), (240, 86556), (288, 72130), (320, 64917), (360, 57704), (480, 43278), (576, 36065), (720, 28852), (960, 21639), (1440, 14426), (2880, 7213)]