20278585980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{217069}}^1$

素因数の和:217260

約数の個数: 96

約数和(自身を含む): 63453902400

約数和(自身を除く): 43175316420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 173, 180, 270, 346, 519, 540, 692, 865, 1038, 1557, 1730, 2076, 2595, 3114, 3460, 4671, 5190, 6228, 7785, 9342, 10380, 15570, 18684, 23355, 31140, 46710, 93420, 217069, 434138, 651207, 868276, 1085345, 1302414, 1953621, 2170690, 2604828, 3256035, 3907242, 4341380, 5860863, 6512070, 7814484, 9768105, 11721726, 13024140, 19536210, 23443452, 29304315, 37552937, 39072420, 58608630, 75105874, 112658811, 117217260, 150211748, 187764685, 225317622, 337976433, 375529370, 450635244, 563294055, 675952866, 751058740, 1013929299, 1126588110, 1351905732, 1689882165, 2027858598, 2253176220, 3379764330, 4055717196, 5069646495, 6759528660, 10139292990, 20278585980]

約数ペア:

[(1, 20278585980), (2, 10139292990), (3, 6759528660), (4, 5069646495), (5, 4055717196), (6, 3379764330), (9, 2253176220), (10, 2027858598), (12, 1689882165), (15, 1351905732), (18, 1126588110), (20, 1013929299), (27, 751058740), (30, 675952866), (36, 563294055), (45, 450635244), (54, 375529370), (60, 337976433), (90, 225317622), (108, 187764685), (135, 150211748), (173, 117217260), (180, 112658811), (270, 75105874), (346, 58608630), (519, 39072420), (540, 37552937), (692, 29304315), (865, 23443452), (1038, 19536210), (1557, 13024140), (1730, 11721726), (2076, 9768105), (2595, 7814484), (3114, 6512070), (3460, 5860863), (4671, 4341380), (5190, 3907242), (6228, 3256035), (7785, 2604828), (9342, 2170690), (10380, 1953621), (15570, 1302414), (18684, 1085345), (23355, 868276), (31140, 651207), (46710, 434138), (93420, 217069)]