20713440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3923}}^1$

素因数の和:3952

約数の個数: 96

約数和(自身を含む): 71197056

約数和(自身を除く): 50483616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 3923, 5280, 7846, 11769, 15692, 19615, 23538, 31384, 39230, 43153, 47076, 58845, 62768, 78460, 86306, 94152, 117690, 125536, 129459, 156920, 172612, 188304, 215765, 235380, 258918, 313840, 345224, 376608, 431530, 470760, 517836, 627680, 647295, 690448, 863060, 941520, 1035672, 1294590, 1380896, 1726120, 1883040, 2071344, 2589180, 3452240, 4142688, 5178360, 6904480, 10356720, 20713440]

約数ペア:

[(1, 20713440), (2, 10356720), (3, 6904480), (4, 5178360), (5, 4142688), (6, 3452240), (8, 2589180), (10, 2071344), (11, 1883040), (12, 1726120), (15, 1380896), (16, 1294590), (20, 1035672), (22, 941520), (24, 863060), (30, 690448), (32, 647295), (33, 627680), (40, 517836), (44, 470760), (48, 431530), (55, 376608), (60, 345224), (66, 313840), (80, 258918), (88, 235380), (96, 215765), (110, 188304), (120, 172612), (132, 156920), (160, 129459), (165, 125536), (176, 117690), (220, 94152), (240, 86306), (264, 78460), (330, 62768), (352, 58845), (440, 47076), (480, 43153), (528, 39230), (660, 31384), (880, 23538), (1056, 19615), (1320, 15692), (1760, 11769), (2640, 7846), (3923, 5280)]