20126473936

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{419}}^1\times {\mathrm{17977}}^1$

素因数の和:18571

約数の個数: 40

約数和(自身を含む): 39324358080

約数和(自身を除く): 19197884144

約数列:

[1, 2, 4, 8, 16, 167, 334, 419, 668, 838, 1336, 1676, 2672, 3352, 6704, 17977, 35954, 69973, 71908, 139946, 143816, 279892, 287632, 559784, 1119568, 3002159, 6004318, 7532363, 12008636, 15064726, 24017272, 30129452, 48034544, 60258904, 120517808, 1257904621, 2515809242, 5031618484, 10063236968, 20126473936]

約数ペア:

[(1, 20126473936), (2, 10063236968), (4, 5031618484), (8, 2515809242), (16, 1257904621), (167, 120517808), (334, 60258904), (419, 48034544), (668, 30129452), (838, 24017272), (1336, 15064726), (1676, 12008636), (2672, 7532363), (3352, 6004318), (6704, 3002159), (17977, 1119568), (35954, 559784), (69973, 287632), (71908, 279892), (139946, 143816)]