20545776

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2339}}^1$

素因数の和:2414

約数の個数: 60

約数和(自身を含む): 58467240

約数和(自身を除く): 37921464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2339, 2928, 4392, 4678, 7017, 8784, 9356, 14034, 18712, 21051, 28068, 37424, 42102, 56136, 84204, 112272, 142679, 168408, 285358, 336816, 428037, 570716, 856074, 1141432, 1284111, 1712148, 2282864, 2568222, 3424296, 5136444, 6848592, 10272888, 20545776]

約数ペア:

[(1, 20545776), (2, 10272888), (3, 6848592), (4, 5136444), (6, 3424296), (8, 2568222), (9, 2282864), (12, 1712148), (16, 1284111), (18, 1141432), (24, 856074), (36, 570716), (48, 428037), (61, 336816), (72, 285358), (122, 168408), (144, 142679), (183, 112272), (244, 84204), (366, 56136), (488, 42102), (549, 37424), (732, 28068), (976, 21051), (1098, 18712), (1464, 14034), (2196, 9356), (2339, 8784), (2928, 7017), (4392, 4678)]